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BOSTON MARATHON 2025

Christoph Dobson

Bib: 18458•M

CA

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
26:46
Rank: #20532
Start → 5K
26:46 | 8:37/mi
10K· 6.21 mi
54:32
Rank: #21320 (-788)
5K → 10K
27:46 | 8:56/mi
15K· 9.32 mi
1:21:46
Rank: #21103 (+217)
10K → 15K
27:14 | 8:46/mi
20K· 12.43 mi
1:49:07
Rank: #20815 (+288)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:55:03
Rank: #20799 (+16)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:16:04
Rank: #20403 (+396)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:43:20
Rank: #19661 (+742)
25K → 30K
27:16 | 8:47/mi
20M
2:55:13
Rank: #19350 (+311)
30K → 20M
11:53 | 8:45/mi
21M
3:04:21
Rank: #19057 (+293)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
3:10:52
Rank: #18972 (+85)
21M → 35K
6:31 | 8:43/mi
23M
3:22:02
Rank: #18778 (+194)
35K → 23M
11:10 | 8:55/mi
24M
3:30:49
Rank: #18663 (+115)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:38:37
Rank: #18586 (+77)
24M → 40K
7:48 | 9:07/mi
25.2M
3:42:09
Rank: #18574 (+12)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:51:37
Rank: #18667 (-93)
25.2M → Finish
9:28 | 9:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:03
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time1:56:34
Pace8:54 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0326:468:3726:46
8:37
-
10K
6.21 mi11:45:4954:328:4727:46
8:56
+0:19
15K
9.32 mi12:13:031:21:468:4627:14
8:46
-0:10
20K
12.43 mi12:40:241:49:078:4727:21
8:48
+0:02
Half
13.11 mi12:46:201:55:038:475:56
8:42
-0:06
25K
15.53 mi13:07:212:16:048:4621:01
8:40
-0:02
30K
18.64 mi13:34:372:43:208:4627:16
8:47
+0:07
20M
20.00 mi13:46:302:55:138:4611:53
8:45
-0:02
21M
21.00 mi13:55:383:04:218:479:08
9:08
+0:23
35K
21.75 mi14:02:093:10:528:476:31
8:43
-0:25
23M
23.00 mi14:13:193:22:028:4711:10
8:55
+0:12
24M
24.00 mi14:22:063:30:498:478:47
8:47
-0:08
40K
24.85 mi14:29:543:38:378:487:48
9:07
+0:20
25.2M
25.20 mi14:33:263:42:098:493:32
10:15
+1:08
Finish
26.22 mi14:42:543:51:378:509:28
9:17
-0:58

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

8:37 /mi

Average Pace

8:50 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:05

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:32

2% of race

Average Pace: 8:50 /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 mi11:18:0326:468:3726:46
8:37
#20532
10K
6.21 mi11:45:4954:328:4727:46
8:56
#21320
15K
9.32 mi12:13:031:21:468:4627:14
8:46
#21103
20K
12.43 mi12:40:241:49:078:4727:21
8:48
#20815
Half
13.11 mi12:46:201:55:038:475:56
8:42
#20799
25K
15.53 mi13:07:212:16:048:4621:01
8:40
#20403
30K
18.64 mi13:34:372:43:208:4627:16
8:47
#19661
20M
20.00 mi13:46:302:55:138:4611:53
8:45
#19350
21M
21.00 mi13:55:383:04:218:479:08
9:08
#19057
35K
21.75 mi14:02:093:10:528:476:31
8:43
#18972
23M
23.00 mi14:13:193:22:028:4711:10
8:55
#18778
24M
24.00 mi14:22:063:30:498:478:47
8:47
#18663
40K
24.85 mi14:29:543:38:378:487:48
9:07
#18586
25.2M
25.20 mi14:33:263:42:098:493:32
10:15
#18574
Finish
26.22 mi14:42:543:51:378:509:28
9:17
#18667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20532126491264920834(Top 73%)12867(Top 80%)12867(Top 781%)
10K6.21 mi3.10 mi21320-78813032-38313032-38322101(Top 78%)13386(Top 83%)13386(Top 812%)
15K9.32 mi3.11 mi21103+21712951+8112951+8120834(Top 73%)12867(Top 80%)12867(Top 781%)
20K12.43 mi3.11 mi20815+28812823+12812823+12819940(Top 70%)12437(Top 77%)12437(Top 755%)
Half13.11 mi0.68 mi20799+1612820+312820+320285(Top 71%)12577(Top 78%)12577(Top 763%)
25K15.53 mi2.42 mi20403+39612629+19112629+19118188(Top 64%)11611(Top 72%)11611(Top 705%)
30K18.64 mi3.11 mi19661+74212276+35312276+35316456(Top 58%)10697(Top 66%)10697(Top 649%)
20M20.00 mi1.36 mi19350+31112114+16212114+16215342(Top 54%)10078(Top 63%)10078(Top 612%)
21M21.00 mi1.00 mi19057+29311967+14711967+14714265(Top 50%)9468(Top 59%)9468(Top 575%)
35K21.75 mi0.75 mi18972+8511911+5611911+5616748(Top 59%)10522(Top 65%)10522(Top 638%)
23M23.00 mi1.25 mi18778+19411800+11111800+11115783(Top 56%)9982(Top 62%)9982(Top 606%)
24M24.00 mi1.00 mi18663+11511727+7311727+7316216(Top 57%)10131(Top 63%)10131(Top 615%)
40K24.85 mi0.85 mi18586+7711666+6111666+6116961(Top 60%)10368(Top 64%)10368(Top 629%)
25.2M25.20 mi0.35 mi18574+1211645+2111645+2118042(Top 64%)10842(Top 67%)10842(Top 658%)
Finish26.22 mi1.02 mi18667-9311678-3311678-3320323(Top 72%)11966(Top 74%)11966(Top 726%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20834

Males

12867

M55-59

12867

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22101

Males

13386

M55-59

13386

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20834

Males

12867

M55-59

12867

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19940

Males

12437

M55-59

12437

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20285

Males

12577

M55-59

12577

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18188

Males

11611

M55-59

11611

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16456

Males

10697

M55-59

10697

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15342

Males

10078

M55-59

10078

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14265

Males

9468

M55-59

9468

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16748

Males

10522

M55-59

10522

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15783

Males

9982

M55-59

9982

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16216

Males

10131

M55-59

10131

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16961

Males

10368

M55-59

10368

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18042

Males

10842

M55-59

10842

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20323

Males

11966

M55-59

11966

Passing Analysis

Category:
Athletes Passed
3143
Passed By
1278
Net Change
+1865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20532
5K → 10K59847-788#20532#21320
10K → 15K31396+217#21320#21103
15K → 20K34759+288#21103#20815
20K → Half3115+16#20815#20799
Half → 25K40711+396#20799#20403
25K → 30K7486+742#20403#19661
30K → 20M3121+311#19661#19350
20M → 21M3007+293#19350#19057
21M → 35K10520+85#19057#18972
35K → 23M21117+194#18972#18778
23M → 24M13116+115#18778#18663
24M → 40K11336+77#18663#18586
40K → 25.2M3624+12#18586#18574
25.2M → Finish30123-93#18574#18667
TOTALS31431278+1865
📊

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