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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Caroline Samson-Belair

Bib: 23627 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds
Personalized for Caroline

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 · 8:40/mi at mile 3.1

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
26:55
3.11 mi
Rank: #21007
Start → 5K
26:55 | 8:40/mi
10K
54:42
6.21 mi
Rank: #21839 (-832)
5K → 10K
27:47 | 8:57/mi
15K
1:22:14
9.32 mi
Rank: #21892 (-53)
10K → 15K
27:32 | 8:52/mi
20K
1:50:05
12.43 mi
Rank: #21823 (+69)
15K → 20K
27:51 | 8:58/mi
HALF
1:56:14
13.11 mi
Rank: #21872 (-49)
20K → HALF
6:09 | 9:02/mi
25K
2:18:42
15.53 mi
Rank: #21928 (-56)
HALF → 25K
22:28 | 9:16/mi
30K
2:51:07
18.64 mi
Rank: #22549 (-621)
25K → 30K
32:25 | 10:27/mi
20M
3:04:28
20.00 mi
Rank: #22505 (+44)
30K → 20M
13:21 | 9:50/mi
21M
3:15:11
21.00 mi
Rank: #22511 (-6)
20M → 21M
10:43 | 10:43/mi
35K
3:22:21
21.75 mi
Rank: #22486 (+25)
21M → 35K
7:10 | 9:35/mi
23M
3:35:20
23.00 mi
Rank: #22519 (-33)
35K → 23M
12:59 | 10:23/mi
24M
3:44:51
24.00 mi
Rank: #22476 (+43)
23M → 24M
9:31 | 9:31/mi
40K
3:53:44
24.85 mi
Rank: #22474 (+2)
24M → 40K
8:53 | 10:24/mi
25.2M
3:57:22
25.20 mi
Rank: #22453 (+21)
40K → 25.2M
3:38 | 10:33/mi
FINISH
4:07:06
26.22 mi
Rank: #22453
25.2M → FINISH
9:44 | 9:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:14
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:10:52
Pace9:59 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0726:558:4026:55
8:40
-
10K
6.21 mi11:57:5454:428:4927:47
8:57
+0:17
15K
9.32 mi12:25:261:22:148:5027:32
8:52
-0:05
20K
12.43 mi12:53:171:50:058:5227:51
8:58
+0:06
HALF
13.11 mi12:59:261:56:148:526:09
9:02
+0:04
25K
15.53 mi13:21:542:18:428:5622:28
9:16
+0:14
30K
18.64 mi13:54:192:51:079:1132:25
10:27
+1:11
20M
20.00 mi14:07:403:04:289:1413:21
9:50
-0:37
21M
21.00 mi14:18:233:15:119:1810:43
10:43
+0:53
35K
21.75 mi14:25:333:22:219:197:10
9:35
-1:08
23M
23.00 mi14:38:323:35:209:2212:59
10:23
+0:48
24M
24.00 mi14:48:033:44:519:239:31
9:31
-0:52
40K
24.85 mi14:56:563:53:449:258:53
10:24
+0:53
25.2M
25.20 mi15:00:343:57:229:263:38
10:33
+0:09
FINISH
26.22 mi15:10:184:07:069:269:44
9:34
-0:59

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

8:40 /mi

Average Pace

9:26 /mi

Slowest Pace

10:43 /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

1:56:14

47% of race

Time at Steady Pace

1:02:14

25% of race

Time at Slower Pace

1:08:38

28% of race

Average Pace: 9:25 /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 mi11:30:0726:558:4026:55
8:40
#21007
10K
6.21 mi11:57:5454:428:4927:47
8:57
#21839
15K
9.32 mi12:25:261:22:148:5027:32
8:52
#21892
20K
12.43 mi12:53:171:50:058:5227:51
8:58
#21823
HALF
13.11 mi12:59:261:56:148:526:09
9:02
#21872
25K
15.53 mi13:21:542:18:428:5622:28
9:16
#21928
30K
18.64 mi13:54:192:51:079:1132:25
10:27
#22549
20M
20.00 mi14:07:403:04:289:1413:21
9:50
#22505
21M
21.00 mi14:18:233:15:119:1810:43
10:43
#22511
35K
21.75 mi14:25:333:22:219:197:10
9:35
#22486
23M
23.00 mi14:38:323:35:209:2212:59
10:23
#22519
24M
24.00 mi14:48:033:44:519:239:31
9:31
#22476
40K
24.85 mi14:56:563:53:449:258:53
10:24
#22474
25.2M
25.20 mi15:00:343:57:229:263:38
10:33
#22453
FINISH
26.22 mi15:10:184:07:069:269:44
9:34
#22453
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi210078173817322036(Top 76%)8659(Top 69%)8659(Top 702%)
10K6.21 mi3.10 mi21839-8328586-4138586-41322611(Top 78%)8951(Top 71%)8951(Top 726%)
15K9.32 mi3.11 mi21892-538609-238609-2322036(Top 76%)8659(Top 69%)8659(Top 702%)
20K12.43 mi3.11 mi21823+698572+378572+3721781(Top 75%)8550(Top 68%)8550(Top 693%)
HALF13.11 mi0.68 mi21872-498590-188590-1822877(Top 79%)9098(Top 72%)9098(Top 738%)
25K15.53 mi2.42 mi21928-568622-328622-3222280(Top 77%)8825(Top 70%)8825(Top 716%)
30K18.64 mi3.11 mi22549-6218976-3548976-35424162(Top 83%)9922(Top 79%)9922(Top 805%)
20M20.00 mi1.36 mi22505+448963+138963+1322106(Top 76%)8901(Top 71%)8901(Top 722%)
21M21.00 mi1.00 mi22511-68981-188981-1822459(Top 77%)9130(Top 73%)9130(Top 740%)
35K21.75 mi0.75 mi22486+258971+108971+1022024(Top 76%)8962(Top 71%)8962(Top 727%)
23M23.00 mi1.25 mi22519-339014-439014-4323077(Top 80%)9555(Top 76%)9555(Top 775%)
24M24.00 mi1.00 mi22476+439009+59009+521425(Top 74%)8762(Top 70%)8762(Top 711%)
40K24.85 mi0.85 mi22474+29027-189027-1822942(Top 79%)9579(Top 76%)9579(Top 777%)
25.2M25.20 mi0.35 mi22453+219023+49023+421207(Top 73%)8673(Top 69%)8673(Top 703%)
FINISH26.22 mi1.02 mi224539027-49027-422531(Top 78%)9353(Top 74%)9353(Top 759%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

22036

Females

8659

F50-54

8659

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22611

Females

8951

F50-54

8951

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

22036

Females

8659

F50-54

8659

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21781

Females

8550

F50-54

8550

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

22877

Females

9098

F50-54

9098

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22280

Females

8825

F50-54

8825

25K→30K

15.5 - 18.6 mi

Top 83%
×9
+181ft-148ft

Overall

24162

Females

9922

F50-54

9922

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22106

Females

8901

F50-54

8901

20M→21M

20.0 - 21.0 mi

Top 77%
×8
+106ft-24ft

Overall

22459

Females

9130

F50-54

9130

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22024

Females

8962

F50-54

8962

35K→23M

21.8 - 23.0 mi

Top 80%
×5
+23ft-63ft

Overall

23077

Females

9555

F50-54

9555

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21425

Females

8762

F50-54

8762

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22942

Females

9579

F50-54

9579

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1
+13ft-16ft

Overall

21207

Females

8673

F50-54

8673

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
×2
+22ft-21ft

Overall

22531

Females

9353

F50-54

9353

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1076*
Passed By
1364
Net Change
-1446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21007
5K → 10K48200-832#21007#21839
10K → 15K142195-53#21839#21892
15K → 20K205*136+69#21892#21823
20K → HALF1766-49#21823#21872
HALF → 25K115171-56#21872#21928
25K → 30K57200-621#21928#22549
30K → 20M9955+44#22549#22505
20M → 21M7177-6#22505#22511
21M → 35K5429+25#22511#22486
35K → 23M69102-33#22486#22519
23M → 24M6825+43#22519#22476
24M → 40K6058+2#22476#22474
40K → 25.2M3312+21#22474#22453
25.2M → FINISH38380#22453#22453
TOTALS1076*1364-1446

* 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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Activity Data

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