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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Colby Spencer

Bib: 28825 •M •Age: N/A

NH

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds

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
27:29
3.11 mi
Rank: #21919
Start → 5K
27:29 | 8:51/mi
10K
54:12
6.21 mi
Rank: #21455 (+464)
5K → 10K
26:43 | 8:36/mi
15K
1:21:40
9.32 mi
Rank: #21583 (-128)
10K → 15K
27:28 | 8:51/mi
20K
1:49:26
12.43 mi
Rank: #21578 (+5)
15K → 20K
27:46 | 8:57/mi
HALF
1:55:16
13.11 mi
Rank: #21516 (+62)
20K → HALF
5:50 | 8:34/mi
25K
2:16:37
15.53 mi
Rank: #21288 (+228)
HALF → 25K
21:21 | 8:49/mi
30K
2:44:48
18.64 mi
Rank: #21014 (+274)
25K → 30K
28:11 | 9:05/mi
20M
2:56:43
20.00 mi
Rank: #20806 (+208)
30K → 20M
11:55 | 8:47/mi
21M
3:07:22
21.00 mi
Rank: #20907 (-101)
20M → 21M
10:39 | 10:39/mi
35K
3:14:39
21.75 mi
Rank: #21000 (-93)
21M → 35K
7:17 | 9:45/mi
23M
3:27:35
23.00 mi
Rank: #21206 (-206)
35K → 23M
12:56 | 10:21/mi
24M
3:37:53
24.00 mi
Rank: #21366 (-160)
23M → 24M
10:18 | 10:18/mi
40K
3:46:54
24.85 mi
Rank: #21505 (-139)
24M → 40K
9:01 | 10:33/mi
25.2M
3:50:25
25.20 mi
Rank: #21502 (+3)
40K → 25.2M
3:31 | 10:12/mi
FINISH
3:58:52
26.22 mi
Rank: #21368 (+134)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:16
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:03:36
Pace9:26 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2927:298:5127:29
8:51
-
10K
6.21 mi12:17:1254:128:4426:43
8:36
-0:15
15K
9.32 mi12:44:401:21:408:4627:28
8:51
+0:15
20K
12.43 mi13:12:261:49:268:4927:46
8:57
+0:06
HALF
13.11 mi13:18:161:55:168:485:50
8:34
-0:23
25K
15.53 mi13:39:372:16:378:4821:21
8:49
+0:15
30K
18.64 mi14:07:482:44:488:5128:11
9:05
+0:16
20M
20.00 mi14:19:432:56:438:5111:55
8:47
-0:18
21M
21.00 mi14:30:223:07:228:5610:39
10:39
+1:52
35K
21.75 mi14:37:393:14:398:587:17
9:45
-0:54
23M
23.00 mi14:50:353:27:359:0212:56
10:21
+0:36
24M
24.00 mi15:00:533:37:539:0510:18
10:18
-0:03
40K
24.85 mi15:09:543:46:549:089:01
10:33
+0:15
25.2M
25.20 mi15:13:253:50:259:093:31
10:12
-0:21
FINISH
26.22 mi15:21:523:58:529:088:27
8:18
-1:54

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

8:18 /mi

Average Pace

9:07 /mi

Slowest Pace

10:39 /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

8:27

4% of race

Time at Steady Pace

2:56:43

74% of race

Time at Slower Pace

53:42

22% of race

Average Pace: 9:07 /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 mi11:50:2927:298:5127:29
8:51
#21919
10K
6.21 mi12:17:1254:128:4426:43
8:36
#21455
15K
9.32 mi12:44:401:21:408:4627:28
8:51
#21583
20K
12.43 mi13:12:261:49:268:4927:46
8:57
#21578
HALF
13.11 mi13:18:161:55:168:485:50
8:34
#21516
25K
15.53 mi13:39:372:16:378:4821:21
8:49
#21288
30K
18.64 mi14:07:482:44:488:5128:11
9:05
#21014
20M
20.00 mi14:19:432:56:438:5111:55
8:47
#20806
21M
21.00 mi14:30:223:07:228:5610:39
10:39
#20907
35K
21.75 mi14:37:393:14:398:587:17
9:45
#21000
23M
23.00 mi14:50:353:27:359:0212:56
10:21
#21206
24M
24.00 mi15:00:533:37:539:0510:18
10:18
#21366
40K
24.85 mi15:09:543:46:549:089:01
10:33
#21505
25.2M
25.20 mi15:13:253:50:259:093:31
10:12
#21502
FINISH
26.22 mi15:21:523:58:529:088:27
8:18
#21368
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21919131751317521929(Top 76%)13229(Top 81%)13229(Top 231%)
10K6.21 mi3.10 mi21455+46412975+20012975+20020881(Top 72%)12726(Top 78%)12726(Top 222%)
15K9.32 mi3.11 mi21583-12813032-5713032-5721929(Top 76%)13229(Top 81%)13229(Top 231%)
20K12.43 mi3.11 mi21578+513034-213034-221641(Top 75%)13072(Top 80%)13072(Top 228%)
HALF13.11 mi0.68 mi21516+6212999+3512999+3520570(Top 71%)12590(Top 77%)12590(Top 220%)
25K15.53 mi2.42 mi21288+22812885+11412885+11420259(Top 70%)12394(Top 76%)12394(Top 217%)
30K18.64 mi3.11 mi21014+27412736+14912736+14919934(Top 69%)12149(Top 74%)12149(Top 212%)
20M20.00 mi1.36 mi20806+20812629+10712629+10717817(Top 61%)11106(Top 68%)11106(Top 194%)
21M21.00 mi1.00 mi20907-10112671-4212671-4222297(Top 77%)13165(Top 81%)13165(Top 230%)
35K21.75 mi0.75 mi21000-9312711-4012711-4022430(Top 77%)13177(Top 81%)13177(Top 230%)
23M23.00 mi1.25 mi21206-20612800-8912800-8922975(Top 79%)13385(Top 82%)13385(Top 234%)
24M24.00 mi1.00 mi21366-16012869-6912869-6923593(Top 81%)13646(Top 84%)13646(Top 238%)
40K24.85 mi0.85 mi21505-13912914-4512914-4523305(Top 80%)13440(Top 82%)13440(Top 235%)
25.2M25.20 mi0.35 mi21502+312912+212912+220090(Top 69%)11910(Top 73%)11910(Top 208%)
FINISH26.22 mi1.02 mi21368+13412838+7412838+7416976(Top 58%)10426(Top 64%)10426(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

21929

Males

13229

M18-39

13229

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20881

Males

12726

M18-39

12726

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

21929

Males

13229

M18-39

13229

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21641

Males

13072

M18-39

13072

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20570

Males

12590

M18-39

12590

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20259

Males

12394

M18-39

12394

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

19934

Males

12149

M18-39

12149

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17817

Males

11106

M18-39

11106

20M→21M

20.0 - 21.0 mi

Top 77%
×8
+106ft-24ft

Overall

22297

Males

13165

M18-39

13165

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22430

Males

13177

M18-39

13177

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22975

Males

13385

M18-39

13385

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23593

Males

13646

M18-39

13646

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23305

Males

13440

M18-39

13440

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

20090

Males

11910

M18-39

11910

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16976

Males

10426

M18-39

10426

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2039*
Passed By
1401
Net Change
+551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21919
5K → 10K588*124+464#21919#21455
10K → 15K121200-128#21455#21583
15K → 20K168163+5#21583#21578
20K → HALF675+62#21578#21516
HALF → 25K242*14+228#21516#21288
25K → 30K318*44+274#21288#21014
30K → 20M216*8+208#21014#20806
20M → 21M43144-101#20806#20907
21M → 35K30123-93#20907#21000
35K → 23M32200-206#21000#21206
23M → 24M27187-160#21206#21366
24M → 40K22161-139#21366#21505
40K → 25.2M2825+3#21505#21502
25.2M → FINISH1373+134#21502#21368
TOTALS2039*1401+551

* 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

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OTQ

Olympic Trials Qualifying analysis available

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