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BOSTON MARATHON 2026

Jeremiah Tatum

Bib: 17648•M

TN

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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

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
24:37
3.11 mi
Rank: #16351
Start → 5K
24:37 | 7:56/mi
10K
48:52
6.21 mi
Rank: #16008 (+343)
5K → 10K
24:15 | 7:49/mi
15K
1:13:16
9.32 mi
Rank: #15935 (+73)
10K → 15K
24:24 | 7:52/mi
20K
1:37:53
12.43 mi
Rank: #15786 (+149)
15K → 20K
24:37 | 7:56/mi
HALF
1:43:25
13.11 mi
Rank: #15926 (-140)
20K → HALF
5:32 | 8:08/mi
25K
2:02:58
15.53 mi
Rank: #15900 (+26)
HALF → 25K
19:33 | 8:04/mi
30K
2:28:29
18.64 mi
Rank: #15717 (+183)
25K → 30K
25:31 | 8:13/mi
20M
2:39:31
20.00 mi
Rank: #15556 (+161)
30K → 20M
11:02 | 8:08/mi
21M
2:48:03
21.00 mi
Rank: #15385 (+171)
20M → 21M
8:32 | 8:32/mi
35K
2:54:07
21.75 mi
Rank: #15356 (+29)
21M → 35K
6:04 | 8:07/mi
23M
3:04:30
23.00 mi
Rank: #15297 (+59)
35K → 23M
10:23 | 8:18/mi
24M
3:12:28
24.00 mi
Rank: #15202 (+95)
23M → 24M
7:58 | 7:58/mi
40K
3:19:33
24.85 mi
Rank: #15145 (+57)
24M → 40K
7:05 | 8:18/mi
25.2M
3:22:39
25.20 mi
Rank: #15132 (+13)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:30:48
26.22 mi
Rank: #15143 (-11)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:25
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:23
Pace8:12 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:3224:377:5624:37
7:56
-
10K
6.21 mi11:30:4748:527:5224:15
7:49
-0:07
15K
9.32 mi11:55:111:13:167:5224:24
7:52
+0:03
20K
12.43 mi12:19:481:37:537:5324:37
7:56
+0:04
HALF
13.11 mi12:25:201:43:257:545:32
8:08
+0:12
25K
15.53 mi12:44:532:02:587:5519:33
8:04
-0:04
30K
18.64 mi13:10:242:28:297:5825:31
8:13
+0:09
20M
20.00 mi13:21:262:39:317:5911:02
8:08
-0:05
21M
21.00 mi13:29:582:48:038:018:32
8:32
+0:24
35K
21.75 mi13:36:022:54:078:016:04
8:07
-0:25
23M
23.00 mi13:46:253:04:308:0210:23
8:18
+0:11
24M
24.00 mi13:54:233:12:288:027:58
7:58
-0:20
40K
24.85 mi14:01:283:19:338:027:05
8:18
+0:20
25.2M
25.20 mi14:04:343:22:398:033:06
9:00
+0:42
FINISH
26.22 mi14:12:433:30:488:038:09
8:00
-1:00

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

7:49 /mi

Average Pace

8:03 /mi

Slowest Pace

9:00 /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

3:27:42

99% of race

Time at Steady Pace

3:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:06:3224:377:5624:37
7:56
#16351
10K
6.21 mi11:30:4748:527:5224:15
7:49
#16008
15K
9.32 mi11:55:111:13:167:5224:24
7:52
#15935
20K
12.43 mi12:19:481:37:537:5324:37
7:56
#15786
HALF
13.11 mi12:25:201:43:257:545:32
8:08
#15926
25K
15.53 mi12:44:532:02:587:5519:33
8:04
#15900
30K
18.64 mi13:10:242:28:297:5825:31
8:13
#15717
20M
20.00 mi13:21:262:39:317:5911:02
8:08
#15556
21M
21.00 mi13:29:582:48:038:018:32
8:32
#15385
35K
21.75 mi13:36:022:54:078:016:04
8:07
#15356
23M
23.00 mi13:46:253:04:308:0210:23
8:18
#15297
24M
24.00 mi13:54:233:12:288:027:58
7:58
#15202
40K
24.85 mi14:01:283:19:338:027:05
8:18
#15145
25.2M
25.20 mi14:04:343:22:398:033:06
9:00
#15132
FINISH
26.22 mi14:12:433:30:488:038:09
8:00
#15143
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 mi16351107471074715775(Top 54%)10494(Top 64%)10494(Top 562%)
10K6.21 mi3.10 mi16008+34310602+14510602+14515677(Top 54%)10484(Top 64%)10484(Top 561%)
15K9.32 mi3.11 mi15935+7310574+2810574+2815775(Top 54%)10494(Top 64%)10494(Top 562%)
20K12.43 mi3.11 mi15786+14910494+8010494+8015514(Top 53%)10356(Top 63%)10356(Top 554%)
HALF13.11 mi0.68 mi15926-14010548-5410548-5417817(Top 61%)11355(Top 69%)11355(Top 608%)
25K15.53 mi2.42 mi15900+2610527+2110527+2115850(Top 55%)10448(Top 64%)10448(Top 559%)
30K18.64 mi3.11 mi15717+18310420+10710420+10714996(Top 52%)9972(Top 61%)9972(Top 534%)
20M20.00 mi1.36 mi15556+16110336+8410336+8413678(Top 47%)9306(Top 57%)9306(Top 498%)
21M21.00 mi1.00 mi15385+17110241+9510241+9513327(Top 46%)9062(Top 55%)9062(Top 485%)
35K21.75 mi0.75 mi15356+2910216+2510216+2515179(Top 52%)9838(Top 60%)9838(Top 527%)
23M23.00 mi1.25 mi15297+5910175+4110175+4114423(Top 50%)9425(Top 58%)9425(Top 505%)
24M24.00 mi1.00 mi15202+9510106+6910106+6913499(Top 47%)8939(Top 55%)8939(Top 479%)
40K24.85 mi0.85 mi15145+5710074+3210074+3214338(Top 49%)9212(Top 56%)9212(Top 493%)
25.2M25.20 mi0.35 mi15132+1310060+1410060+1414607(Top 50%)9345(Top 57%)9345(Top 500%)
FINISH26.22 mi1.02 mi15143-1110056+410056+415140(Top 52%)9588(Top 59%)9588(Top 513%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15775

Males

10494

M50-54

10494

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15677

Males

10484

M50-54

10484

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15775

Males

10494

M50-54

10494

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15514

Males

10356

M50-54

10356

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17817

Males

11355

M50-54

11355

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15850

Males

10448

M50-54

10448

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

14996

Males

9972

M50-54

9972

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13678

Males

9306

M50-54

9306

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13327

Males

9062

M50-54

9062

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15179

Males

9838

M50-54

9838

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14423

Males

9425

M50-54

9425

23M→24M

23.0 - 24.0 mi

Top 47%
×6
+12ft-82ft

Overall

13499

Males

8939

M50-54

8939

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14338

Males

9212

M50-54

9212

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14607

Males

9345

M50-54

9345

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15140

Males

9588

M50-54

9588

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2313
Passed By
1105
Net Change
+1208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16351
5K → 10K485142+343#16351#16008
10K → 15K239166+73#16008#15935
15K → 20K256107+149#15935#15786
20K → HALF9149-140#15786#15926
HALF → 25K152126+26#15926#15900
25K → 30K288105+183#15900#15717
30K → 20M17615+161#15717#15556
20M → 21M19221+171#15556#15385
21M → 35K7344+29#15385#15356
35K → 23M11152+59#15356#15297
23M → 24M12530+95#15297#15202
24M → 40K10346+57#15202#15145
40K → 25.2M3825+13#15145#15132
25.2M → FINISH6677-11#15132#15143
TOTALS23131105+1208
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing