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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chad Lacroix

Bib: 26451 •M •Age: N/A

RI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds
Personalized for Chad

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:21/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:58
3.11 mi
Rank: #21071
Start → 5K
26:58 | 8:41/mi
10K
52:59
6.21 mi
Rank: #20314 (+757)
5K → 10K
26:01 | 8:23/mi
15K
1:18:55
9.32 mi
Rank: #19956 (+358)
10K → 15K
25:56 | 8:21/mi
20K
1:46:06
12.43 mi
Rank: #20115 (-159)
15K → 20K
27:11 | 8:45/mi
HALF
1:51:49
13.11 mi
Rank: #20096 (+19)
20K → HALF
5:43 | 8:24/mi
25K
2:12:35
15.53 mi
Rank: #19914 (+182)
HALF → 25K
20:46 | 8:34/mi
30K
2:39:37
18.64 mi
Rank: #19574 (+340)
25K → 30K
27:02 | 8:43/mi
20M
2:51:26
20.00 mi
Rank: #19402 (+172)
30K → 20M
11:49 | 8:42/mi
21M
3:00:33
21.00 mi
Rank: #19233 (+169)
20M → 21M
9:07 | 9:07/mi
35K
3:07:03
21.75 mi
Rank: #19188 (+45)
21M → 35K
6:30 | 8:42/mi
23M
3:18:14
23.00 mi
Rank: #19139 (+49)
35K → 23M
11:11 | 8:57/mi
24M
3:27:20
24.00 mi
Rank: #19188 (-49)
23M → 24M
9:06 | 9:06/mi
40K
3:35:15
24.85 mi
Rank: #19201 (-13)
24M → 40K
7:55 | 9:16/mi
25.2M
3:38:48
25.20 mi
Rank: #19237 (-36)
40K → 25.2M
3:33 | 10:18/mi
FINISH
3:48:08
26.22 mi
Rank: #19348 (-111)
25.2M → FINISH
9:20 | 9:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:56:19
Pace8:53 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:1226:588:4126:58
8:41
-
10K
6.21 mi12:01:1352:598:3226:01
8:23
-0:18
15K
9.32 mi12:27:091:18:558:2925:56
8:21
-0:02
20K
12.43 mi12:54:201:46:068:3327:11
8:45
+0:24
HALF
13.11 mi13:00:031:51:498:325:43
8:24
-0:21
25K
15.53 mi13:20:492:12:358:3320:46
8:34
+0:10
30K
18.64 mi13:47:512:39:378:3427:02
8:43
+0:09
20M
20.00 mi13:59:402:51:268:3511:49
8:42
-0:01
21M
21.00 mi14:08:473:00:338:369:07
9:07
+0:25
35K
21.75 mi14:15:173:07:038:376:30
8:42
-0:25
23M
23.00 mi14:26:283:18:148:3811:11
8:57
+0:15
24M
24.00 mi14:35:343:27:208:399:06
9:06
+0:09
40K
24.85 mi14:43:293:35:158:407:55
9:16
+0:10
25.2M
25.20 mi14:47:023:38:488:413:33
10:18
+1:02
FINISH
26.22 mi14:56:223:48:088:439:20
9:10
-1:08

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:21 /mi

Average Pace

8:42 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

57:40

25% of race

Time at Steady Pace

2:11:27

58% of race

Time at Slower Pace

39:01

17% of race

Average Pace: 8:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:35:1226:588:4126:58
8:41
#21071
10K
6.21 mi12:01:1352:598:3226:01
8:23
#20314
15K
9.32 mi12:27:091:18:558:2925:56
8:21
#19956
20K
12.43 mi12:54:201:46:068:3327:11
8:45
#20115
HALF
13.11 mi13:00:031:51:498:325:43
8:24
#20096
25K
15.53 mi13:20:492:12:358:3320:46
8:34
#19914
30K
18.64 mi13:47:512:39:378:3427:02
8:43
#19574
20M
20.00 mi13:59:402:51:268:3511:49
8:42
#19402
21M
21.00 mi14:08:473:00:338:369:07
9:07
#19233
35K
21.75 mi14:15:173:07:038:376:30
8:42
#19188
23M
23.00 mi14:26:283:18:148:3811:11
8:57
#19139
24M
24.00 mi14:35:343:27:208:399:06
9:06
#19188
40K
24.85 mi14:43:293:35:158:407:55
9:16
#19201
25.2M
25.20 mi14:47:023:38:488:413:33
10:18
#19237
FINISH
26.22 mi14:56:223:48:088:439:20
9:10
#19348
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21071127701277019262(Top 66%)11992(Top 73%)11992(Top 642%)
10K6.21 mi3.10 mi20314+75712445+32512445+32519616(Top 68%)12146(Top 74%)12146(Top 650%)
15K9.32 mi3.11 mi19956+35812289+15612289+15619262(Top 66%)11992(Top 73%)11992(Top 642%)
20K12.43 mi3.11 mi20115-15912338-4912338-4920688(Top 71%)12613(Top 77%)12613(Top 675%)
HALF13.11 mi0.68 mi20096+1912329+912329+919529(Top 67%)12111(Top 74%)12111(Top 648%)
25K15.53 mi2.42 mi19914+18212248+8112248+8118947(Top 65%)11772(Top 72%)11772(Top 630%)
30K18.64 mi3.11 mi19574+34012071+17712071+17718022(Top 62%)11270(Top 69%)11270(Top 603%)
20M20.00 mi1.36 mi19402+17211972+9911972+9917390(Top 60%)10927(Top 67%)10927(Top 585%)
21M21.00 mi1.00 mi19233+16911892+8011892+8016738(Top 58%)10593(Top 65%)10593(Top 567%)
35K21.75 mi0.75 mi19188+4511860+3211860+3218563(Top 64%)11310(Top 69%)11310(Top 605%)
23M23.00 mi1.25 mi19139+4911820+4011820+4018177(Top 63%)11063(Top 68%)11063(Top 592%)
24M24.00 mi1.00 mi19188-4911807+1311807+1319862(Top 68%)11803(Top 72%)11803(Top 632%)
40K24.85 mi0.85 mi19201-1311794+1311794+1319496(Top 67%)11597(Top 71%)11597(Top 621%)
25.2M25.20 mi0.35 mi19237-3611811-1711811-1720369(Top 70%)12027(Top 74%)12027(Top 644%)
FINISH26.22 mi1.02 mi19348-11111846-3511846-3521134(Top 73%)12411(Top 76%)12411(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19262

Males

11992

M50-54

11992

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19616

Males

12146

M50-54

12146

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19262

Males

11992

M50-54

11992

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20688

Males

12613

M50-54

12613

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19529

Males

12111

M50-54

12111

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18947

Males

11772

M50-54

11772

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18022

Males

11270

M50-54

11270

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17390

Males

10927

M50-54

10927

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16738

Males

10593

M50-54

10593

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18563

Males

11310

M50-54

11310

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18177

Males

11063

M50-54

11063

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19862

Males

11803

M50-54

11803

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19496

Males

11597

M50-54

11597

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20369

Males

12027

M50-54

12027

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21134

Males

12411

M50-54

12411

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2681*
Passed By
879
Net Change
+1723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21071
5K → 10K832*75+757#21071#20314
10K → 15K408*50+358#20314#19956
15K → 20K120200-159#19956#20115
20K → HALF3415+19#20115#20096
HALF → 25K204*22+182#20096#19914
25K → 30K371*31+340#19914#19574
30K → 20M18513+172#19574#19402
20M → 21M18516+169#19402#19233
21M → 35K6419+45#19233#19188
35K → 23M11263+49#19188#19139
23M → 24M65114-49#19139#19188
24M → 40K5568-13#19188#19201
40K → 25.2M1854-36#19201#19237
25.2M → FINISH28139-111#19237#19348
TOTALS2681*879+1723

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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