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BOSTON MARATHON 2025

Clark Obannon

Bib: 4949•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #5377
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:21
Rank: #4958 (+419)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:55
Rank: #4737 (+221)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:31
Rank: #4467 (+270)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:26:56
Rank: #4417 (+50)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:43:00
Rank: #4219 (+198)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:03:56
Rank: #3929 (+290)
25K → 30K
20:56 | 6:44/mi
20M
2:13:18
Rank: #3872 (+57)
30K → 20M
9:22 | 6:54/mi
21M
2:20:36
Rank: #3818 (+54)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:25:42
Rank: #3817 (+1)
21M → 35K
5:06 | 6:49/mi
23M
2:34:22
Rank: #3745 (+72)
35K → 23M
8:40 | 6:55/mi
24M
2:41:17
Rank: #3753 (-8)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:47:17
Rank: #3733 (+20)
24M → 40K
6:00 | 7:01/mi
25.2M
2:50:02
Rank: #3757 (-24)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:57:02
Rank: #3754 (+3)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:06
Pace6:52 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2620:486:4220:48
6:42
-
10K
6.21 mi10:44:5941:216:3920:33
6:37
-0:05
15K
9.32 mi11:05:331:01:556:3920:34
6:37
0:00
20K
12.43 mi11:26:091:22:316:3820:36
6:38
+0:01
Half
13.11 mi11:30:341:26:566:384:25
6:28
-0:10
25K
15.53 mi11:46:381:43:006:3816:04
6:38
+0:10
30K
18.64 mi12:07:342:03:566:3920:56
6:44
+0:06
20M
20.00 mi12:16:562:13:186:409:22
6:54
+0:10
21M
21.00 mi12:24:142:20:366:427:18
7:18
+0:24
35K
21.75 mi12:29:202:25:426:425:06
6:49
-0:29
23M
23.00 mi12:38:002:34:226:438:40
6:55
+0:06
24M
24.00 mi12:44:552:41:176:436:55
6:55
0:00
40K
24.85 mi12:50:552:47:176:446:00
7:01
+0:06
25.2M
25.20 mi12:53:402:50:026:452:45
7:58
+0:57
Finish
26.22 mi13:00:402:57:026:457:00
6:52
-1:06

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

6:28 /mi

Average Pace

6:45 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:12

46% of race

Time at Steady Pace

1:18:47

45% of race

Time at Slower Pace

16:03

9% of race

Average Pace: 6:45 /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 mi10:24:2620:486:4220:48
6:42
#5377
10K
6.21 mi10:44:5941:216:3920:33
6:37
#4958
15K
9.32 mi11:05:331:01:556:3920:34
6:37
#4737
20K
12.43 mi11:26:091:22:316:3820:36
6:38
#4467
Half
13.11 mi11:30:341:26:566:384:25
6:28
#4417
25K
15.53 mi11:46:381:43:006:3816:04
6:38
#4219
30K
18.64 mi12:07:342:03:566:3920:56
6:44
#3929
20M
20.00 mi12:16:562:13:186:409:22
6:54
#3872
21M
21.00 mi12:24:142:20:366:427:18
7:18
#3818
35K
21.75 mi12:29:202:25:426:425:06
6:49
#3817
23M
23.00 mi12:38:002:34:226:438:40
6:55
#3745
24M
24.00 mi12:44:552:41:176:436:55
6:55
#3753
40K
24.85 mi12:50:552:47:176:446:00
7:01
#3733
25.2M
25.20 mi12:53:402:50:026:452:45
7:58
#3757
Finish
26.22 mi13:00:402:57:026:457:00
6:52
#3754
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5377499449944376(Top 15%)4106(Top 25%)4106(Top 73%)
10K6.21 mi3.10 mi4958+4194624+3704624+3704567(Top 16%)4277(Top 27%)4277(Top 76%)
15K9.32 mi3.11 mi4737+2214431+1934431+1934376(Top 15%)4106(Top 25%)4106(Top 73%)
20K12.43 mi3.11 mi4467+2704187+2444187+2443892(Top 14%)3666(Top 23%)3666(Top 65%)
Half13.11 mi0.68 mi4417+504144+434144+433481(Top 12%)3297(Top 20%)3297(Top 58%)
25K15.53 mi2.42 mi4219+1983960+1843960+1843620(Top 13%)3407(Top 21%)3407(Top 60%)
30K18.64 mi3.11 mi3929+2903694+2663694+2663076(Top 11%)2889(Top 18%)2889(Top 51%)
20M20.00 mi1.36 mi3872+573639+553639+553455(Top 12%)3191(Top 20%)3191(Top 57%)
21M21.00 mi1.00 mi3818+543587+523587+523611(Top 13%)3300(Top 20%)3300(Top 58%)
35K21.75 mi0.75 mi3817+13582+53582+54167(Top 15%)3720(Top 23%)3720(Top 66%)
23M23.00 mi1.25 mi3745+723508+743508+743318(Top 12%)3016(Top 19%)3016(Top 53%)
24M24.00 mi1.00 mi3753-83505+33505+34150(Top 15%)3651(Top 23%)3651(Top 65%)
40K24.85 mi0.85 mi3733+203482+233482+233979(Top 14%)3467(Top 22%)3467(Top 61%)
25.2M25.20 mi0.35 mi3757-243498-163498-165719(Top 20%)4544(Top 28%)4544(Top 81%)
Finish26.22 mi1.02 mi3754+33487+113487+114870(Top 17%)4018(Top 25%)4018(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4376

Males

4106

M18-39

4106

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4567

Males

4277

M18-39

4277

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4376

Males

4106

M18-39

4106

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3892

Males

3666

M18-39

3666

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3481

Males

3297

M18-39

3297

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3620

Males

3407

M18-39

3407

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3076

Males

2889

M18-39

2889

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3455

Males

3191

M18-39

3191

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3611

Males

3300

M18-39

3300

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4167

Males

3720

M18-39

3720

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3318

Males

3016

M18-39

3016

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4150

Males

3651

M18-39

3651

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3979

Males

3467

M18-39

3467

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5719

Males

4544

M18-39

4544

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4870

Males

4018

M18-39

4018

Passing Analysis

Category:
Athletes Passed
2036
Passed By
413
Net Change
+1623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5377
5K → 10K46748+419#5377#4958
10K → 15K24423+221#4958#4737
15K → 20K28616+270#4737#4467
20K → Half522+50#4467#4417
Half → 25K2057+198#4417#4219
25K → 30K31020+290#4219#3929
30K → 20M8124+57#3929#3872
20M → 21M8733+54#3872#3818
21M → 35K3130+1#3818#3817
35K → 23M9927+72#3817#3745
23M → 24M4553-8#3745#3753
24M → 40K5535+20#3753#3733
40K → 25.2M1438-24#3733#3757
25.2M → Finish6057+3#3757#3754
TOTALS2036413+1623
📊

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