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BOSTON MARATHON 2025

John Christenson

Bib: 3889•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
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
20:58
Rank: #5894
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
42:31
Rank: #6691 (-797)
5K → 10K
21:33 | 6:56/mi
15K· 9.32 mi
1:04:15
Rank: #7017 (-326)
10K → 15K
21:44 | 7:00/mi
20K· 12.43 mi
1:26:12
Rank: #7104 (-87)
15K → 20K
21:57 | 7:04/mi
Half· 13.11 mi
1:30:59
Rank: #7123 (-19)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:48:16
Rank: #7060 (+63)
Half → 25K
17:17 | 7:08/mi
30K· 18.64 mi
2:11:13
Rank: #6916 (+144)
25K → 30K
22:57 | 7:23/mi
20M
2:21:13
Rank: #6764 (+152)
30K → 20M
10:00 | 7:22/mi
21M
2:28:45
Rank: #6602 (+162)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:34:00
Rank: #6513 (+89)
21M → 35K
5:15 | 7:01/mi
23M
2:43:11
Rank: #6374 (+139)
35K → 23M
9:11 | 7:20/mi
24M
2:50:43
Rank: #6386 (-12)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
2:57:18
Rank: #6400 (-14)
24M → 40K
6:35 | 7:42/mi
25.2M
3:00:15
Rank: #6404 (-4)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:08:03
Rank: #6507 (-103)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:59
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:37:04
Pace7:24 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1020:586:4520:58
6:45
-
10K
6.21 mi10:45:4342:316:5121:33
6:56
+0:11
15K
9.32 mi11:07:271:04:156:5421:44
7:00
+0:04
20K
12.43 mi11:29:241:26:126:5621:57
7:04
+0:04
Half
13.11 mi11:34:111:30:596:564:47
7:01
-0:03
25K
15.53 mi11:51:281:48:166:5817:17
7:08
+0:07
30K
18.64 mi12:14:252:11:137:0222:57
7:23
+0:15
20M
20.00 mi12:24:252:21:137:0410:00
7:22
-0:01
21M
21.00 mi12:31:572:28:457:057:32
7:32
+0:10
35K
21.75 mi12:37:122:34:007:055:15
7:01
-0:31
23M
23.00 mi12:46:232:43:117:069:11
7:20
+0:19
24M
24.00 mi12:53:552:50:437:077:32
7:32
+0:12
40K
24.85 mi13:00:302:57:187:086:35
7:42
+0:10
25.2M
25.20 mi13:03:273:00:157:092:57
8:33
+0:51
Finish
26.22 mi13:11:153:08:037:117:48
7:39
-0:54

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

6:45 /mi

Average Pace

7:11 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:14

51% of race

Time at Steady Pace

1:14:29

40% of race

Time at Slower Pace

17:20

9% of race

Average Pace: 7:10 /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 mi10:24:1020:586:4520:58
6:45
#5894
10K
6.21 mi10:45:4342:316:5121:33
6:56
#6691
15K
9.32 mi11:07:271:04:156:5421:44
7:00
#7017
20K
12.43 mi11:29:241:26:126:5621:57
7:04
#7104
Half
13.11 mi11:34:111:30:596:564:47
7:01
#7123
25K
15.53 mi11:51:281:48:166:5817:17
7:08
#7060
30K
18.64 mi12:14:252:11:137:0222:57
7:23
#6916
20M
20.00 mi12:24:252:21:137:0410:00
7:22
#6764
21M
21.00 mi12:31:572:28:457:057:32
7:32
#6602
35K
21.75 mi12:37:122:34:007:055:15
7:01
#6513
23M
23.00 mi12:46:232:43:117:069:11
7:20
#6374
24M
24.00 mi12:53:552:50:437:077:32
7:32
#6386
40K
24.85 mi13:00:302:57:187:086:35
7:42
#6400
25.2M
25.20 mi13:03:273:00:157:092:57
8:33
#6404
Finish
26.22 mi13:11:153:08:037:117:48
7:39
#6507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5894542954297593(Top 27%)6675(Top 41%)6675(Top 118%)
10K6.21 mi3.10 mi6691-7976055-6266055-6267510(Top 26%)6649(Top 41%)6649(Top 118%)
15K9.32 mi3.11 mi7017-3266299-2446299-2447593(Top 27%)6675(Top 41%)6675(Top 118%)
20K12.43 mi3.11 mi7104-876348-496348-497286(Top 26%)6407(Top 40%)6407(Top 114%)
Half13.11 mi0.68 mi7123-196360-126360-127640(Top 27%)6661(Top 41%)6661(Top 118%)
25K15.53 mi2.42 mi7060+636300+606300+607141(Top 25%)6219(Top 39%)6219(Top 110%)
30K18.64 mi3.11 mi6916+1446143+1576143+1576970(Top 25%)5956(Top 37%)5956(Top 106%)
20M20.00 mi1.36 mi6764+1526007+1366007+1366135(Top 22%)5291(Top 33%)5291(Top 94%)
21M21.00 mi1.00 mi6602+1625863+1445863+1444794(Top 17%)4228(Top 26%)4228(Top 75%)
35K21.75 mi0.75 mi6513+895785+785785+785478(Top 19%)4718(Top 29%)4718(Top 84%)
23M23.00 mi1.25 mi6374+1395659+1265659+1265652(Top 20%)4777(Top 30%)4777(Top 85%)
24M24.00 mi1.00 mi6386-125650+95650+97909(Top 28%)6053(Top 38%)6053(Top 107%)
40K24.85 mi0.85 mi6400-145631+195631+198056(Top 28%)6018(Top 37%)6018(Top 107%)
25.2M25.20 mi0.35 mi6404-45626+55626+59020(Top 32%)6439(Top 40%)6439(Top 114%)
Finish26.22 mi1.02 mi6507-1035659-335659-3310303(Top 36%)7133(Top 44%)7133(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7593

Males

6675

M18-39

6675

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7510

Males

6649

M18-39

6649

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7593

Males

6675

M18-39

6675

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7286

Males

6407

M18-39

6407

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7640

Males

6661

M18-39

6661

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7141

Males

6219

M18-39

6219

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6970

Males

5956

M18-39

5956

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6135

Males

5291

M18-39

5291

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4794

Males

4228

M18-39

4228

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5478

Males

4718

M18-39

4718

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5652

Males

4777

M18-39

4777

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7909

Males

6053

M18-39

6053

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8056

Males

6018

M18-39

6018

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9020

Males

6439

M18-39

6439

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10303

Males

7133

M18-39

7133

Passing Analysis

Category:
Athletes Passed
1381
Passed By
1994
Net Change
-613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5894
5K → 10K32829-797#5894#6691
10K → 15K58384-326#6691#7017
15K → 20K118205-87#7017#7104
20K → Half1130-19#7104#7123
Half → 25K14784+63#7123#7060
25K → 30K246102+144#7060#6916
30K → 20M17018+152#6916#6764
20M → 21M17412+162#6764#6602
21M → 35K9910+89#6602#6513
35K → 23M15819+139#6513#6374
23M → 24M5466-12#6374#6386
24M → 40K5468-14#6386#6400
40K → 25.2M2226-4#6400#6404
25.2M → Finish38141-103#6404#6507
TOTALS13811994-613
📊

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