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BOSTON MARATHON 2025

Chris Burgenson

Bib: 857•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:10
Rank: #702
Start → 5K
18:10 | 5:51/mi
10K· 6.21 mi
35:45
Rank: #531 (+171)
5K → 10K
17:35 | 5:40/mi
15K· 9.32 mi
53:23
Rank: #461 (+70)
10K → 15K
17:38 | 5:41/mi
20K· 12.43 mi
1:11:09
Rank: #413 (+48)
15K → 20K
17:46 | 5:43/mi
Half· 13.11 mi
1:14:59
Rank: #406 (+7)
20K → Half
3:50 | 5:37/mi
25K· 15.53 mi
1:28:45
Rank: #380 (+26)
Half → 25K
13:46 | 5:41/mi
30K· 18.64 mi
1:46:57
Rank: #355 (+25)
25K → 30K
18:12 | 5:51/mi
20M
1:54:54
Rank: #328 (+27)
30K → 20M
7:57 | 5:51/mi
21M
2:01:10
Rank: #320 (+8)
20M → 21M
6:16 | 6:16/mi
35K· 21.75 mi
2:05:27
Rank: #315 (+5)
21M → 35K
4:17 | 5:44/mi
23M
2:13:09
Rank: #307 (+8)
35K → 23M
7:42 | 6:09/mi
24M
2:19:04
Rank: #297 (+10)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:24:20
Rank: #298 (-1)
24M → 40K
5:16 | 6:10/mi
25.2M
2:26:38
Rank: #302 (-4)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:32:44
Rank: #308 (-6)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:59
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:17:45
Pace5:56 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1718:105:5118:10
5:51
-
10K
6.21 mi10:35:5235:455:4517:35
5:40
-0:11
15K
9.32 mi10:53:3053:235:4417:38
5:41
+0:01
20K
12.43 mi11:11:161:11:095:4417:46
5:43
+0:02
Half
13.11 mi11:15:061:14:595:433:50
5:37
-0:06
25K
15.53 mi11:28:521:28:455:4313:46
5:41
+0:04
30K
18.64 mi11:47:041:46:575:4418:12
5:51
+0:10
20M
20.00 mi11:55:011:54:545:457:57
5:51
0:00
21M
21.00 mi12:01:172:01:105:466:16
6:16
+0:25
35K
21.75 mi12:05:342:05:275:464:17
5:44
-0:32
23M
23.00 mi12:13:162:13:095:477:42
6:09
+0:25
24M
24.00 mi12:19:112:19:045:485:55
5:55
-0:14
40K
24.85 mi12:24:272:24:205:485:16
6:10
+0:15
25.2M
25.20 mi12:26:452:26:385:492:18
6:40
+0:30
Finish
26.22 mi12:32:512:32:445:506:06
5:59
-0:41

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

5:37 /mi

Average Pace

5:50 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:10

94% of race

Time at Steady Pace

6:16

4% of race

Time at Slower Pace

2:18

2% of race

Average Pace: 5:50 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:1718:105:5118:10
5:51
#702
10K
6.21 mi10:35:5235:455:4517:35
5:40
#531
15K
9.32 mi10:53:3053:235:4417:38
5:41
#461
20K
12.43 mi11:11:161:11:095:4417:46
5:43
#413
Half
13.11 mi11:15:061:14:595:433:50
5:37
#406
25K
15.53 mi11:28:521:28:455:4313:46
5:41
#380
30K
18.64 mi11:47:041:46:575:4418:12
5:51
#355
20M
20.00 mi11:55:011:54:545:457:57
5:51
#328
21M
21.00 mi12:01:172:01:105:466:16
6:16
#320
35K
21.75 mi12:05:342:05:275:464:17
5:44
#315
23M
23.00 mi12:13:162:13:095:477:42
6:09
#307
24M
24.00 mi12:19:112:19:045:485:55
5:55
#297
40K
24.85 mi12:24:272:24:205:485:16
6:10
#298
25.2M
25.20 mi12:26:452:26:385:492:18
6:40
#302
Finish
26.22 mi12:32:512:32:445:506:06
5:59
#308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi702652652346(Top 1%)318(Top 2%)318(Top 6%)
10K6.21 mi3.10 mi531+171493+159493+159372(Top 1%)342(Top 2%)342(Top 6%)
15K9.32 mi3.11 mi461+70424+69424+69346(Top 1%)318(Top 2%)318(Top 6%)
20K12.43 mi3.11 mi413+48381+43381+43340(Top 1%)311(Top 2%)311(Top 6%)
Half13.11 mi0.68 mi406+7374+7374+7323(Top 1%)297(Top 2%)297(Top 5%)
25K15.53 mi2.42 mi380+26348+26348+26266(Top 0.9%)240(Top 1%)240(Top 4%)
30K18.64 mi3.11 mi355+25325+23325+23305(Top 1%)281(Top 2%)281(Top 5%)
20M20.00 mi1.36 mi328+27300+25300+25226(Top 0.8%)207(Top 1%)207(Top 4%)
21M21.00 mi1.00 mi320+8293+7293+7327(Top 1%)307(Top 2%)307(Top 5%)
35K21.75 mi0.75 mi315+5289+4289+4287(Top 1%)266(Top 2%)266(Top 5%)
23M23.00 mi1.25 mi307+8282+7282+7566(Top 2%)533(Top 3%)533(Top 9%)
24M24.00 mi1.00 mi297+10272+10272+10415(Top 1%)386(Top 2%)386(Top 7%)
40K24.85 mi0.85 mi298-1272272642(Top 2%)598(Top 4%)598(Top 11%)
25.2M25.20 mi0.35 mi302-4276-4276-4680(Top 2%)630(Top 4%)630(Top 11%)
Finish26.22 mi1.02 mi308-6282-6282-6861(Top 3%)810(Top 5%)810(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

346

Males

318

M18-39

318

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

372

Males

342

M18-39

342

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

346

Males

318

M18-39

318

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

340

Males

311

M18-39

311

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

323

Males

297

M18-39

297

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

266

Males

240

M18-39

240

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

305

Males

281

M18-39

281

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

226

Males

207

M18-39

207

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

327

Males

307

M18-39

307

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

287

Males

266

M18-39

266

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

566

Males

533

M18-39

533

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

415

Males

386

M18-39

386

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

642

Males

598

M18-39

598

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

680

Males

630

M18-39

630

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

861

Males

810

M18-39

810

Passing Analysis

Category:
Athletes Passed
440
Passed By
46
Net Change
+394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#702
5K → 10K1710+171#702#531
10K → 15K722+70#531#461
15K → 20K535+48#461#413
20K → Half81+7#413#406
Half → 25K271+26#406#380
25K → 30K294+25#380#355
30K → 20M270+27#355#328
20M → 21M91+8#328#320
21M → 35K50+5#320#315
35K → 23M168+8#315#307
23M → 24M144+10#307#297
24M → 40K56-1#297#298
40K → 25.2M04-4#298#302
25.2M → Finish410-6#302#308
TOTALS44046+394
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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