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BOSTON MARATHON 2025

Glen Shumaker

Bib: 644•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.8%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:35
Rank: #376
Start → 5K
17:35 | 5:40/mi
10K· 6.21 mi
34:59
Rank: #327 (+49)
5K → 10K
17:24 | 5:36/mi
15K· 9.32 mi
52:19
Rank: #287 (+40)
10K → 15K
17:20 | 5:35/mi
20K· 12.43 mi
1:09:49
Rank: #273 (+14)
15K → 20K
17:30 | 5:38/mi
Half· 13.11 mi
1:13:37
Rank: #272 (+1)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:27:22
Rank: #265 (+7)
Half → 25K
13:45 | 5:40/mi
30K· 18.64 mi
1:45:22
Rank: #246 (+19)
25K → 30K
18:00 | 5:48/mi
20M
1:53:22
Rank: #236 (+10)
30K → 20M
8:00 | 5:53/mi
21M
1:59:32
Rank: #228 (+8)
20M → 21M
6:10 | 6:10/mi
35K· 21.75 mi
2:03:52
Rank: #233 (-5)
21M → 35K
4:20 | 5:48/mi
23M
2:11:21
Rank: #231 (+2)
35K → 23M
7:29 | 5:59/mi
24M
2:17:14
Rank: #229 (+2)
23M → 24M
5:53 | 5:53/mi
40K· 24.85 mi
2:22:21
Rank: #227 (+2)
24M → 40K
5:07 | 5:59/mi
25.2M
2:24:37
Rank: #225 (+2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:30:35
Rank: #231 (-6)
25.2M → Finish
5:58 | 5:51/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:37
Pace5:37 /mi
2nd Half
Distance13.11 mi
Time1:16:58
Pace5:52 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5517:355:4017:35
5:40
-
10K
6.21 mi10:35:1934:595:3817:24
5:36
-0:04
15K
9.32 mi10:52:3952:195:3717:20
5:35
-0:01
20K
12.43 mi11:10:091:09:495:3717:30
5:38
+0:03
Half
13.11 mi11:13:571:13:375:373:48
5:34
-0:04
25K
15.53 mi11:27:421:27:225:3713:45
5:40
+0:06
30K
18.64 mi11:45:421:45:225:3918:00
5:48
+0:08
20M
20.00 mi11:53:421:53:225:408:00
5:53
+0:05
21M
21.00 mi11:59:521:59:325:426:10
6:10
+0:17
35K
21.75 mi12:04:122:03:525:424:20
5:48
-0:22
23M
23.00 mi12:11:412:11:215:437:29
5:59
+0:11
24M
24.00 mi12:17:342:17:145:435:53
5:53
-0:06
40K
24.85 mi12:22:412:22:215:445:07
5:59
+0:06
25.2M
25.20 mi12:24:572:24:375:442:16
6:34
+0:35
Finish
26.22 mi12:30:552:30:355:455:58
5:51
-0:43

Checkpoints & Pacing

📈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

5:34 /mi

Average Pace

5:45 /mi

Slowest Pace

6:34 /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

2:22:09

94% of race

Time at Steady Pace

8:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:45 /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 mi10:17:5517:355:4017:35
5:40
#376
10K
6.21 mi10:35:1934:595:3817:24
5:36
#327
15K
9.32 mi10:52:3952:195:3717:20
5:35
#287
20K
12.43 mi11:10:091:09:495:3717:30
5:38
#273
Half
13.11 mi11:13:571:13:375:373:48
5:34
#272
25K
15.53 mi11:27:421:27:225:3713:45
5:40
#265
30K
18.64 mi11:45:421:45:225:3918:00
5:48
#246
20M
20.00 mi11:53:421:53:225:408:00
5:53
#236
21M
21.00 mi11:59:521:59:325:426:10
6:10
#228
35K
21.75 mi12:04:122:03:525:424:20
5:48
#233
23M
23.00 mi12:11:412:11:215:437:29
5:59
#231
24M
24.00 mi12:17:342:17:145:435:53
5:53
#229
40K
24.85 mi12:22:412:22:215:445:07
5:59
#227
25.2M
25.20 mi12:24:572:24:375:442:16
6:34
#225
Finish
26.22 mi12:30:552:30:355:455:58
5:51
#231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi376343343232(Top 0.8%)205(Top 1%)205(Top 4%)
10K6.21 mi3.10 mi327+49298+45298+45299(Top 1%)270(Top 2%)270(Top 5%)
15K9.32 mi3.11 mi287+40258+40258+40232(Top 0.8%)205(Top 1%)205(Top 4%)
20K12.43 mi3.11 mi273+14244+14244+14235(Top 0.8%)211(Top 1%)211(Top 4%)
Half13.11 mi0.68 mi272+1244244260(Top 0.9%)235(Top 1%)235(Top 4%)
25K15.53 mi2.42 mi265+7239+5239+5261(Top 0.9%)235(Top 1%)235(Top 4%)
30K18.64 mi3.11 mi246+19220+19220+19241(Top 0.8%)219(Top 1%)219(Top 4%)
20M20.00 mi1.36 mi236+10212+8212+8258(Top 0.9%)238(Top 1%)238(Top 4%)
21M21.00 mi1.00 mi228+8205+7205+7236(Top 0.8%)219(Top 1%)219(Top 4%)
35K21.75 mi0.75 mi233-5211-6211-6356(Top 1%)331(Top 2%)331(Top 6%)
23M23.00 mi1.25 mi231+2208+3208+3308(Top 1%)286(Top 2%)286(Top 5%)
24M24.00 mi1.00 mi229+2207+1207+1362(Top 1%)335(Top 2%)335(Top 6%)
40K24.85 mi0.85 mi227+2205+2205+2362(Top 1%)335(Top 2%)335(Top 6%)
25.2M25.20 mi0.35 mi225+2203+2203+2532(Top 2%)492(Top 3%)492(Top 9%)
Finish26.22 mi1.02 mi231-6209-6209-6590(Top 2%)552(Top 3%)552(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

232

Males

205

M18-39

205

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

299

Males

270

M18-39

270

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

232

Males

205

M18-39

205

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5stories
+106ft-86ft

Overall

235

Males

211

M18-39

211

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

260

Males

235

M18-39

235

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

261

Males

235

M18-39

235

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

241

Males

219

M18-39

219

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

258

Males

238

M18-39

238

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

236

Males

219

M18-39

219

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

356

Males

331

M18-39

331

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

308

Males

286

M18-39

286

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

362

Males

335

M18-39

335

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

362

Males

335

M18-39

335

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

532

Males

492

M18-39

492

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

590

Males

552

M18-39

552

Passing Analysis

Category:
Athletes Passed
207
Passed By
62
Net Change
+145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#376
5K → 10K512+49#376#327
10K → 15K422+40#327#287
15K → 20K162+14#287#273
20K → Half32+1#273#272
Half → 25K158+7#272#265
25K → 30K267+19#265#246
30K → 20M133+10#246#236
20M → 21M135+8#236#228
21M → 35K38-5#228#233
35K → 23M75+2#233#231
23M → 24M75+2#231#229
24M → 40K42+2#229#227
40K → 25.2M42+2#227#225
25.2M → Finish39-6#225#231
TOTALS20762+145
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing