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BOSTON MARATHON 2025

John Barham

Bib: 487•M

AR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:06
Rank: #223
Start → 5K
17:06 | 5:30/mi
10K· 6.21 mi
34:18
Rank: #232 (-9)
5K → 10K
17:12 | 5:32/mi
15K· 9.32 mi
51:48
Rank: #246 (-14)
10K → 15K
17:30 | 5:38/mi
20K· 12.43 mi
1:11:08
Rank: #412 (-166)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:15:23
Rank: #451 (-39)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:32:33
Rank: #845 (-394)
Half → 25K
17:10 | 7:05/mi
30K· 18.64 mi
1:54:46
Rank: #1323 (-478)
25K → 30K
22:13 | 7:09/mi
20M
2:05:33
Rank: #1732 (-409)
30K → 20M
10:47 | 7:56/mi
21M
2:16:38
Rank: #2712 (-980)
20M → 21M
11:05 | 11:05/mi
35K· 21.75 mi
2:26:52
Rank: #4193 (-1481)
21M → 35K
10:14 | 13:41/mi
23M
2:46:35
Rank: #7399 (-3206)
35K → 23M
19:43 | 15:45/mi
24M
2:57:12
Rank: #8350 (-951)
23M → 24M
10:37 | 10:37/mi
40K· 24.85 mi
3:03:26
Rank: #8209 (+141)
24M → 40K
6:14 | 7:17/mi
25.2M
3:05:54
Rank: #8069 (+140)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
3:12:24
Rank: #7718 (+351)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:23
Pace5:45 /mi
2nd Half
Distance13.11 mi
Time1:57:01
Pace8:56 /mi
📊Positive Split: 55.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0917:065:3017:06
5:30
-
10K
6.21 mi10:34:2134:185:3117:12
5:32
+0:02
15K
9.32 mi10:51:5151:485:3317:30
5:38
+0:06
20K
12.43 mi11:11:111:11:085:4319:20
6:13
+0:35
Half
13.11 mi11:15:261:15:235:454:15
6:14
+0:01
25K
15.53 mi11:32:361:32:335:5717:10
7:05
+0:51
30K
18.64 mi11:54:491:54:466:0922:13
7:09
+0:04
20M
20.00 mi12:05:362:05:336:1710:47
7:56
+0:47
21M
21.00 mi12:16:412:16:386:3011:05
11:05
+3:09
35K
21.75 mi12:26:552:26:526:4510:14
13:41
+2:36
23M
23.00 mi12:46:382:46:357:1519:43
15:45
+2:04
24M
24.00 mi12:57:152:57:127:2310:37
10:37
-5:08
40K
24.85 mi13:03:293:03:267:236:14
7:17
-3:20
25.2M
25.20 mi13:05:573:05:547:232:28
7:09
-0:08
Finish
26.22 mi13:12:273:12:247:216:30
6:23
-0:46

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

5:30 /mi

Average Pace

7:21 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:48

27% of race

Time at Steady Pace

1:28:57

46% of race

Time at Slower Pace

51:39

27% of race

Average Pace: 7:20 /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 mi10:17:0917:065:3017:06
5:30
#223
10K
6.21 mi10:34:2134:185:3117:12
5:32
#232
15K
9.32 mi10:51:5151:485:3317:30
5:38
#246
20K
12.43 mi11:11:111:11:085:4319:20
6:13
#412
Half
13.11 mi11:15:261:15:235:454:15
6:14
#451
25K
15.53 mi11:32:361:32:335:5717:10
7:05
#845
30K
18.64 mi11:54:491:54:466:0922:13
7:09
#1323
20M
20.00 mi12:05:362:05:336:1710:47
7:56
#1732
21M
21.00 mi12:16:412:16:386:3011:05
11:05
#2712
35K
21.75 mi12:26:552:26:526:4510:14
13:41
#4193
23M
23.00 mi12:46:382:46:357:1519:43
15:45
#7399
24M
24.00 mi12:57:152:57:127:2310:37
10:37
#8350
40K
24.85 mi13:03:293:03:267:236:14
7:17
#8209
25.2M
25.20 mi13:05:573:05:547:232:28
7:09
#8069
Finish
26.22 mi13:12:273:12:247:216:30
6:23
#7718
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi223197197287(Top 1%)259(Top 2%)259(Top 5%)
10K6.21 mi3.10 mi232-9205-8205-8237(Top 0.8%)208(Top 1%)208(Top 4%)
15K9.32 mi3.11 mi246-14218-13218-13287(Top 1%)259(Top 2%)259(Top 5%)
20K12.43 mi3.11 mi412-166380-162380-1621680(Top 6%)1598(Top 10%)1598(Top 28%)
Half13.11 mi0.68 mi451-39415-35415-352188(Top 8%)2092(Top 13%)2092(Top 37%)
25K15.53 mi2.42 mi845-394793-378793-3786849(Top 24%)6014(Top 37%)6014(Top 107%)
30K18.64 mi3.11 mi1323-4781249-4561249-4565617(Top 20%)5029(Top 31%)5029(Top 89%)
20M20.00 mi1.36 mi1732-4091646-3971646-3979980(Top 35%)7526(Top 47%)7526(Top 133%)
21M21.00 mi1.00 mi2712-9802582-9362582-93621613(Top 76%)12780(Top 79%)12780(Top 227%)
35K21.75 mi0.75 mi4193-14813906-13243906-132427482(Top 97%)15565(Top 97%)15565(Top 276%)
23M23.00 mi1.25 mi7399-32066357-24516357-245128109(Top 99%)15909(Top 99%)15909(Top 282%)
24M24.00 mi1.00 mi8350-9516925-5686925-56823099(Top 81%)13351(Top 83%)13351(Top 237%)
40K24.85 mi0.85 mi8209+1416807+1186807+1185610(Top 20%)4629(Top 29%)4629(Top 82%)
25.2M25.20 mi0.35 mi8069+1406705+1026705+1022027(Top 7%)1840(Top 11%)1840(Top 33%)
Finish26.22 mi1.02 mi7718+3516455+2506455+2502245(Top 8%)2058(Top 13%)2058(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

287

Males

259

M18-39

259

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

237

Males

208

M18-39

208

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

287

Males

259

M18-39

259

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1680

Males

1598

M18-39

1598

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2188

Males

2092

M18-39

2092

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6849

Males

6014

M18-39

6014

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5617

Males

5029

M18-39

5029

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9980

Males

7526

M18-39

7526

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21613

Males

12780

M18-39

12780

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27482

Males

15565

M18-39

15565

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28109

Males

15909

M18-39

15909

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23099

Males

13351

M18-39

13351

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5610

Males

4629

M18-39

4629

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2027

Males

1840

M18-39

1840

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2245

Males

2058

M18-39

2058

Passing Analysis

Category:
Athletes Passed
664
Passed By
8159
Net Change
-7495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#223
5K → 10K1120-9#223#232
10K → 15K317-14#232#246
15K → 20K1167-166#246#412
20K → Half039-39#412#451
Half → 25K1395-394#451#845
25K → 30K2480-478#845#1323
30K → 20M0409-409#1323#1732
20M → 21M1981-980#1732#2712
21M → 35K11482-1481#2712#4193
35K → 23M23208-3206#4193#7399
23M → 24M1952-951#7399#8350
24M → 40K1509+141#8350#8209
40K → 25.2M1400+140#8209#8069
25.2M → Finish3510+351#8069#7718
TOTALS6648159-7495
📊

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