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BOSTON MARATHON 2025

Kian Carson

Bib: 3906•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:55
Rank: #3195
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
39:24
Rank: #2676 (+519)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:39
Rank: #2329 (+347)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:18:13
Rank: #2226 (+103)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:22:31
Rank: #2238 (-12)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:38:03
Rank: #2238
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:58:35
Rank: #2243 (-5)
25K → 30K
20:32 | 6:37/mi
20M
2:07:57
Rank: #2305 (-62)
30K → 20M
9:22 | 6:54/mi
21M
2:15:24
Rank: #2367 (-62)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:20:40
Rank: #2454 (-87)
21M → 35K
5:16 | 7:02/mi
23M
2:30:00
Rank: #2638 (-184)
35K → 23M
9:20 | 7:27/mi
24M
2:37:27
Rank: #2773 (-135)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:44:08
Rank: #2922 (-149)
24M → 40K
6:41 | 7:49/mi
25.2M
2:46:58
Rank: #2962 (-40)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:54:28
Rank: #3113 (-151)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:31
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5019:556:2519:55
6:25
-
10K
6.21 mi10:42:1939:246:2019:29
6:16
-0:09
15K
9.32 mi11:01:3458:396:1819:15
6:12
-0:04
20K
12.43 mi11:21:081:18:136:1819:34
6:18
+0:06
Half
13.11 mi11:25:261:22:316:184:18
6:18
0:00
25K
15.53 mi11:40:581:38:036:1915:32
6:24
+0:06
30K
18.64 mi12:01:301:58:356:2220:32
6:37
+0:13
20M
20.00 mi12:10:522:07:576:249:22
6:54
+0:17
21M
21.00 mi12:18:192:15:246:277:27
7:27
+0:33
35K
21.75 mi12:23:352:20:406:285:16
7:02
-0:25
23M
23.00 mi12:32:552:30:006:319:20
7:27
+0:25
24M
24.00 mi12:40:222:37:276:347:27
7:27
0:00
40K
24.85 mi12:47:032:44:086:366:41
7:49
+0:22
25.2M
25.20 mi12:49:532:46:586:382:50
8:13
+0:24
Finish
26.22 mi12:57:232:54:286:407:30
7:22
-0:51

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

6:12 /mi

Average Pace

6:40 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

56% of race

Time at Steady Pace

35:10

20% of race

Time at Slower Pace

41:15

24% of race

Average Pace: 6:39 /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 mi10:22:5019:556:2519:55
6:25
#3195
10K
6.21 mi10:42:1939:246:2019:29
6:16
#2676
15K
9.32 mi11:01:3458:396:1819:15
6:12
#2329
20K
12.43 mi11:21:081:18:136:1819:34
6:18
#2226
Half
13.11 mi11:25:261:22:316:184:18
6:18
#2238
25K
15.53 mi11:40:581:38:036:1915:32
6:24
#2238
30K
18.64 mi12:01:301:58:356:2220:32
6:37
#2243
20M
20.00 mi12:10:522:07:576:249:22
6:54
#2305
21M
21.00 mi12:18:192:15:246:277:27
7:27
#2367
35K
21.75 mi12:23:352:20:406:285:16
7:02
#2454
23M
23.00 mi12:32:552:30:006:319:20
7:27
#2638
24M
24.00 mi12:40:222:37:276:347:27
7:27
#2773
40K
24.85 mi12:47:032:44:086:366:41
7:49
#2922
25.2M
25.20 mi12:49:532:46:586:382:50
8:13
#2962
Finish
26.22 mi12:57:232:54:286:407:30
7:22
#3113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3195303530351847(Top 7%)1758(Top 11%)1758(Top 31%)
10K6.21 mi3.10 mi2676+5192547+4882547+4882227(Top 8%)2128(Top 13%)2128(Top 38%)
15K9.32 mi3.11 mi2329+3472224+3232224+3231847(Top 7%)1758(Top 11%)1758(Top 31%)
20K12.43 mi3.11 mi2226+1032127+972127+972000(Top 7%)1905(Top 12%)1905(Top 34%)
Half13.11 mi0.68 mi2238-122138-112138-112521(Top 9%)2410(Top 15%)2410(Top 43%)
25K15.53 mi2.42 mi22382137+12137+12401(Top 8%)2284(Top 14%)2284(Top 40%)
30K18.64 mi3.11 mi2243-52138-12138-12444(Top 9%)2314(Top 14%)2314(Top 41%)
20M20.00 mi1.36 mi2305-622199-612199-613443(Top 12%)3179(Top 20%)3179(Top 56%)
21M21.00 mi1.00 mi2367-622255-562255-564317(Top 15%)3861(Top 24%)3861(Top 68%)
35K21.75 mi0.75 mi2454-872340-852340-855556(Top 20%)4744(Top 29%)4744(Top 84%)
23M23.00 mi1.25 mi2638-1842507-1672507-1676342(Top 22%)5173(Top 32%)5173(Top 92%)
24M24.00 mi1.00 mi2773-1352630-1232630-1237309(Top 26%)5696(Top 35%)5696(Top 101%)
40K24.85 mi0.85 mi2922-1492762-1322762-1328825(Top 31%)6407(Top 40%)6407(Top 114%)
25.2M25.20 mi0.35 mi2962-402798-362798-367027(Top 25%)5317(Top 33%)5317(Top 94%)
Finish26.22 mi1.02 mi3113-1512934-1362934-1368138(Top 29%)5971(Top 37%)5971(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1847

Males

1758

M18-39

1758

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2227

Males

2128

M18-39

2128

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1847

Males

1758

M18-39

1758

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2000

Males

1905

M18-39

1905

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2521

Males

2410

M18-39

2410

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2401

Males

2284

M18-39

2284

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2444

Males

2314

M18-39

2314

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3443

Males

3179

M18-39

3179

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4317

Males

3861

M18-39

3861

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5556

Males

4744

M18-39

4744

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6342

Males

5173

M18-39

5173

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7309

Males

5696

M18-39

5696

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8825

Males

6407

M18-39

6407

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7027

Males

5317

M18-39

5317

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8138

Males

5971

M18-39

5971

Passing Analysis

Category:
Athletes Passed
1271
Passed By
1189
Net Change
+82
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3195
5K → 10K5278+519#3195#2676
10K → 15K3492+347#2676#2329
15K → 20K13027+103#2329#2226
20K → Half719-12#2226#2238
Half → 25K49490#2238#2238
25K → 30K8893-5#2238#2243
30K → 20M2587-62#2243#2305
20M → 21M2587-62#2305#2367
21M → 35K895-87#2367#2454
35K → 23M21205-184#2454#2638
23M → 24M16151-135#2638#2773
24M → 40K13162-149#2773#2922
40K → 25.2M545-40#2922#2962
25.2M → Finish8159-151#2962#3113
TOTALS12711189+82
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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