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BOSTON MARATHON 2025

Christopher Walsh

Bib: 30478•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
31:31
Rank: #25931
Start → 5K
31:31 | 10:09/mi
10K· 6.21 mi
1:01:35
Rank: #25210 (+721)
5K → 10K
30:04 | 9:41/mi
15K· 9.32 mi
1:30:44
Rank: #24666 (+544)
10K → 15K
29:09 | 9:23/mi
20K· 12.43 mi
1:59:44
Rank: #24126 (+540)
15K → 20K
29:00 | 9:20/mi
Half· 13.11 mi
2:05:58
Rank: #24029 (+97)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:28:29
Rank: #23583 (+446)
Half → 25K
22:31 | 9:17/mi
30K· 18.64 mi
2:57:52
Rank: #22923 (+660)
25K → 30K
29:23 | 9:27/mi
20M
3:10:53
Rank: #22693 (+230)
30K → 20M
13:01 | 9:35/mi
21M
3:20:41
Rank: #22426 (+267)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:27:38
Rank: #22324 (+102)
21M → 35K
6:57 | 9:17/mi
23M
3:39:11
Rank: #22061 (+263)
35K → 23M
11:33 | 9:13/mi
24M
3:48:11
Rank: #21883 (+178)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:55:59
Rank: #21727 (+156)
24M → 40K
7:48 | 9:07/mi
25.2M
3:59:13
Rank: #21617 (+110)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
4:07:26
Rank: #21395 (+222)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:01:28
Pace9:16 /mi
📊Negative Split: 3.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5331:3110:0931:31
10:09
-
10K
6.21 mi12:22:571:01:359:5530:04
9:41
-0:28
15K
9.32 mi12:52:061:30:449:4429:09
9:23
-0:18
20K
12.43 mi13:21:061:59:449:3829:00
9:20
-0:03
Half
13.11 mi13:27:202:05:589:376:14
9:08
-0:12
25K
15.53 mi13:49:512:28:299:3422:31
9:17
+0:09
30K
18.64 mi14:19:142:57:529:3229:23
9:27
+0:10
20M
20.00 mi14:32:153:10:539:3313:01
9:35
+0:08
21M
21.00 mi14:42:033:20:419:339:48
9:48
+0:13
35K
21.75 mi14:49:003:27:389:336:57
9:17
-0:31
23M
23.00 mi15:00:333:39:119:3211:33
9:13
-0:04
24M
24.00 mi15:09:333:48:119:309:00
9:00
-0:13
40K
24.85 mi15:17:213:55:599:307:48
9:07
+0:07
25.2M
25.20 mi15:20:353:59:139:303:14
9:23
+0:16
Finish
26.22 mi15:28:484:07:269:278:13
8:04
-1:19

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

8:04 /mi

Average Pace

9:27 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:13

7% of race

Time at Steady Pace

2:25:49

59% of race

Time at Slower Pace

1:24:24

34% of race

Average Pace: 9:26 /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 mi11:52:5331:3110:0931:31
10:09
#25931
10K
6.21 mi12:22:571:01:359:5530:04
9:41
#25210
15K
9.32 mi12:52:061:30:449:4429:09
9:23
#24666
20K
12.43 mi13:21:061:59:449:3829:00
9:20
#24126
Half
13.11 mi13:27:202:05:589:376:14
9:08
#24029
25K
15.53 mi13:49:512:28:299:3422:31
9:17
#23583
30K
18.64 mi14:19:142:57:529:3229:23
9:27
#22923
20M
20.00 mi14:32:153:10:539:3313:01
9:35
#22693
21M
21.00 mi14:42:033:20:419:339:48
9:48
#22426
35K
21.75 mi14:49:003:27:389:336:57
9:17
#22324
23M
23.00 mi15:00:333:39:119:3211:33
9:13
#22061
24M
24.00 mi15:09:333:48:119:309:00
9:00
#21883
40K
24.85 mi15:17:213:55:599:307:48
9:07
#21727
25.2M
25.20 mi15:20:353:59:139:303:14
9:23
#21617
Finish
26.22 mi15:28:484:07:269:278:13
8:04
#21395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25931151421514223426(Top 82%)14031(Top 87%)14031(Top 249%)
10K6.21 mi3.10 mi25210+72114801+34114801+34124551(Top 86%)14498(Top 90%)14498(Top 257%)
15K9.32 mi3.11 mi24666+54414553+24814553+24823426(Top 82%)14031(Top 87%)14031(Top 249%)
20K12.43 mi3.11 mi24126+54014302+25114302+25122369(Top 79%)13522(Top 84%)13522(Top 240%)
Half13.11 mi0.68 mi24029+9714258+4414258+4422338(Top 79%)13475(Top 84%)13475(Top 239%)
25K15.53 mi2.42 mi23583+44614051+20714051+20721121(Top 74%)12907(Top 80%)12907(Top 229%)
30K18.64 mi3.11 mi22923+66013722+32913722+32919775(Top 70%)12190(Top 76%)12190(Top 216%)
20M20.00 mi1.36 mi22693+23013589+13313589+13319519(Top 69%)11937(Top 74%)11937(Top 212%)
21M21.00 mi1.00 mi22426+26713462+12713462+12717477(Top 62%)10917(Top 68%)10917(Top 193%)
35K21.75 mi0.75 mi22324+10213400+6213400+6219532(Top 69%)11751(Top 73%)11751(Top 208%)
23M23.00 mi1.25 mi22061+26313249+15113249+15117442(Top 61%)10718(Top 67%)10718(Top 190%)
24M24.00 mi1.00 mi21883+17813152+9713152+9717367(Top 61%)10644(Top 66%)10644(Top 189%)
40K24.85 mi0.85 mi21727+15613057+9513057+9516967(Top 60%)10374(Top 64%)10374(Top 184%)
25.2M25.20 mi0.35 mi21617+11013008+4913008+4913882(Top 49%)8916(Top 55%)8916(Top 158%)
Finish26.22 mi1.02 mi21395+22212897+11112897+11113318(Top 47%)8684(Top 54%)8684(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23426

Males

14031

M18-39

14031

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24551

Males

14498

M18-39

14498

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23426

Males

14031

M18-39

14031

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22369

Males

13522

M18-39

13522

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22338

Males

13475

M18-39

13475

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21121

Males

12907

M18-39

12907

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19775

Males

12190

M18-39

12190

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19519

Males

11937

M18-39

11937

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17477

Males

10917

M18-39

10917

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19532

Males

11751

M18-39

11751

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17442

Males

10718

M18-39

10718

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17367

Males

10644

M18-39

10644

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16967

Males

10374

M18-39

10374

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13882

Males

8916

M18-39

8916

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13318

Males

8684

M18-39

8684

Passing Analysis

Category:
Athletes Passed
4581
Passed By
45
Net Change
+4536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25931
5K → 10K73413+721#25931#25210
10K → 15K5517+544#25210#24666
15K → 20K5411+540#24666#24126
20K → Half970+97#24126#24029
Half → 25K4471+446#24029#23583
25K → 30K6644+660#23583#22923
30K → 20M2366+230#22923#22693
20M → 21M2681+267#22693#22426
21M → 35K1097+102#22426#22324
35K → 23M2641+263#22324#22061
23M → 24M1813+178#22061#21883
24M → 40K1571+156#21883#21727
40K → 25.2M1100+110#21727#21617
25.2M → Finish2220+222#21617#21395
TOTALS458145+4536
📊

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