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BOSTON MARATHON 2025

John Gambrell

Bib: 18567•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:35
Rank: #18313
Start → 5K
25:35 | 8:14/mi
10K· 6.21 mi
51:14
Rank: #18262 (+51)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:16:36
Rank: #17875 (+387)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:42:57
Rank: #17901 (-26)
15K → 20K
26:21 | 8:29/mi
Half· 13.11 mi
1:48:44
Rank: #17943 (-42)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:09:23
Rank: #17771 (+172)
Half → 25K
20:39 | 8:31/mi
30K· 18.64 mi
2:37:17
Rank: #17713 (+58)
25K → 30K
27:54 | 8:59/mi
20M
2:49:45
Rank: #17698 (+15)
30K → 20M
12:28 | 9:10/mi
21M
2:59:35
Rank: #17704 (-6)
20M → 21M
9:50 | 9:50/mi
35K· 21.75 mi
3:06:17
Rank: #17700 (+4)
21M → 35K
6:42 | 8:57/mi
23M
3:17:26
Rank: #17560 (+140)
35K → 23M
11:09 | 8:54/mi
24M
3:26:01
Rank: #17442 (+118)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:33:27
Rank: #17327 (+115)
24M → 40K
7:26 | 8:42/mi
25.2M
3:36:49
Rank: #17301 (+26)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:45:27
Rank: #17257 (+44)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:56:43
Pace8:54 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2825:358:1425:35
8:14
-
10K
6.21 mi11:42:0751:148:1525:39
8:15
+0:01
15K
9.32 mi12:07:291:16:368:1325:22
8:10
-0:05
20K
12.43 mi12:33:501:42:578:1726:21
8:29
+0:19
Half
13.11 mi12:39:371:48:448:185:47
8:29
0:00
25K
15.53 mi13:00:162:09:238:2020:39
8:31
+0:02
30K
18.64 mi13:28:102:37:178:2627:54
8:59
+0:28
20M
20.00 mi13:40:382:49:458:2912:28
9:10
+0:11
21M
21.00 mi13:50:282:59:358:339:50
9:50
+0:40
35K
21.75 mi13:57:103:06:178:346:42
8:57
-0:53
23M
23.00 mi14:08:193:17:268:3511:09
8:54
-0:03
24M
24.00 mi14:16:543:26:018:358:35
8:35
-0:19
40K
24.85 mi14:24:203:33:278:357:26
8:42
+0:07
25.2M
25.20 mi14:27:423:36:498:363:22
9:46
+1:04
Finish
26.22 mi14:36:203:45:278:368:38
8:28
-1:18

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

8:10 /mi

Average Pace

8:36 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:36

34% of race

Time at Steady Pace

1:17:26

34% of race

Time at Slower Pace

1:11:25

32% of race

Average Pace: 8:36 /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 mi11:16:2825:358:1425:35
8:14
#18313
10K
6.21 mi11:42:0751:148:1525:39
8:15
#18262
15K
9.32 mi12:07:291:16:368:1325:22
8:10
#17875
20K
12.43 mi12:33:501:42:578:1726:21
8:29
#17901
Half
13.11 mi12:39:371:48:448:185:47
8:29
#17943
25K
15.53 mi13:00:162:09:238:2020:39
8:31
#17771
30K
18.64 mi13:28:102:37:178:2627:54
8:59
#17713
20M
20.00 mi13:40:382:49:458:2912:28
9:10
#17698
21M
21.00 mi13:50:282:59:358:339:50
9:50
#17704
35K
21.75 mi13:57:103:06:178:346:42
8:57
#17700
23M
23.00 mi14:08:193:17:268:3511:09
8:54
#17560
24M
24.00 mi14:16:543:26:018:358:35
8:35
#17442
40K
24.85 mi14:24:203:33:278:357:26
8:42
#17327
25.2M
25.20 mi14:27:423:36:498:363:22
9:46
#17301
Finish
26.22 mi14:36:203:45:278:368:38
8:28
#17257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18313117251172517164(Top 60%)11289(Top 70%)11289(Top 685%)
10K6.21 mi3.10 mi18262+51117251172518256(Top 64%)11744(Top 73%)11744(Top 713%)
15K9.32 mi3.11 mi17875+38711573+15211573+15217164(Top 60%)11289(Top 70%)11289(Top 685%)
20K12.43 mi3.11 mi17901-26115731157318091(Top 64%)11644(Top 72%)11644(Top 707%)
Half13.11 mi0.68 mi17943-4211587-1411587-1418990(Top 67%)12030(Top 75%)12030(Top 730%)
25K15.53 mi2.42 mi17771+17211502+8511502+8517290(Top 61%)11220(Top 70%)11220(Top 681%)
30K18.64 mi3.11 mi17713+5811425+7711425+7717573(Top 62%)11176(Top 69%)11176(Top 678%)
20M20.00 mi1.36 mi17698+1511384+4111384+4117642(Top 62%)11098(Top 69%)11098(Top 673%)
21M21.00 mi1.00 mi17704-611383+111383+117616(Top 62%)10972(Top 68%)10972(Top 666%)
35K21.75 mi0.75 mi17700+411363+2011363+2017994(Top 63%)11047(Top 69%)11047(Top 670%)
23M23.00 mi1.25 mi17560+14011249+11411249+11415698(Top 55%)9942(Top 62%)9942(Top 603%)
24M24.00 mi1.00 mi17442+11811179+7011179+7015044(Top 53%)9613(Top 60%)9613(Top 583%)
40K24.85 mi0.85 mi17327+11511108+7111108+7114568(Top 51%)9257(Top 57%)9257(Top 562%)
25.2M25.20 mi0.35 mi17301+2611085+2311085+2315880(Top 56%)9817(Top 61%)9817(Top 596%)
Finish26.22 mi1.02 mi17257+4411050+3511050+3516024(Top 56%)9956(Top 62%)9956(Top 604%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17164

Males

11289

M55-59

11289

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18256

Males

11744

M55-59

11744

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17164

Males

11289

M55-59

11289

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18091

Males

11644

M55-59

11644

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

18990

Males

12030

M55-59

12030

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17290

Males

11220

M55-59

11220

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17573

Males

11176

M55-59

11176

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17642

Males

11098

M55-59

11098

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17616

Males

10972

M55-59

10972

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17994

Males

11047

M55-59

11047

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15698

Males

9942

M55-59

9942

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15044

Males

9613

M55-59

9613

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14568

Males

9257

M55-59

9257

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15880

Males

9817

M55-59

9817

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

16024

Males

9956

M55-59

9956

Passing Analysis

Category:
Athletes Passed
2293
Passed By
1237
Net Change
+1056
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18313
5K → 10K285234+51#18313#18262
10K → 15K43346+387#18262#17875
15K → 20K178204-26#17875#17901
20K → Half2365-42#17901#17943
Half → 25K24674+172#17943#17771
25K → 30K252194+58#17771#17713
30K → 20M124109+15#17713#17698
20M → 21M102108-6#17698#17704
21M → 35K6258+4#17704#17700
35K → 23M18646+140#17700#17560
23M → 24M13618+118#17560#17442
24M → 40K13520+115#17442#17327
40K → 25.2M4519+26#17327#17301
25.2M → Finish8642+44#17301#17257
TOTALS22931237+1056
📊

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