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BOSTON MARATHON 2025

Kanchn Jiratthitivanich

Bib: 6959•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
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
21:11
Rank: #6457
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:27
Rank: #6587 (-130)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:52
Rank: #6685 (-98)
10K → 15K
21:25 | 6:54/mi
20K· 12.43 mi
1:25:21
Rank: #6562 (+123)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:30:00
Rank: #6548 (+14)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:49
Rank: #6389 (+159)
Half → 25K
16:49 | 6:56/mi
30K· 18.64 mi
2:08:55
Rank: #6075 (+314)
25K → 30K
22:06 | 7:07/mi
20M
2:18:36
Rank: #5941 (+134)
30K → 20M
9:41 | 7:08/mi
21M
2:27:09
Rank: #6137 (-196)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:32:50
Rank: #6190 (-53)
21M → 35K
5:41 | 7:36/mi
23M
2:43:54
Rank: #6562 (-372)
35K → 23M
11:04 | 8:50/mi
24M
2:52:34
Rank: #6937 (-375)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
2:59:39
Rank: #7067 (-130)
24M → 40K
7:05 | 8:17/mi
25.2M
3:02:53
Rank: #7156 (-89)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:11:13
Rank: #7381 (-225)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:00
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:41:13
Pace7:43 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:0421:116:4921:11
6:49
-
10K
6.21 mi10:49:2042:276:5021:16
6:51
+0:02
15K
9.32 mi11:10:451:03:526:5121:25
6:54
+0:03
20K
12.43 mi11:32:141:25:216:5221:29
6:55
+0:01
Half
13.11 mi11:36:531:30:006:524:39
6:49
-0:06
25K
15.53 mi11:53:421:46:496:5316:49
6:56
+0:07
30K
18.64 mi12:15:482:08:556:5522:06
7:07
+0:11
20M
20.00 mi12:25:292:18:366:569:41
7:08
+0:01
21M
21.00 mi12:34:022:27:097:008:33
8:33
+1:25
35K
21.75 mi12:39:432:32:507:025:41
7:36
-0:57
23M
23.00 mi12:50:472:43:547:0811:04
8:50
+1:14
24M
24.00 mi12:59:272:52:347:118:40
8:40
-0:10
40K
24.85 mi13:06:322:59:397:147:05
8:17
-0:23
25.2M
25.20 mi13:09:463:02:537:153:14
9:23
+1:06
Finish
26.22 mi13:18:063:11:137:188:20
8:11
-1:12

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

6:49 /mi

Average Pace

7:18 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:36

72% of race

Time at Slower Pace

52:37

28% of race

Average Pace: 7:18 /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 mi10:28:0421:116:4921:11
6:49
#6457
10K
6.21 mi10:49:2042:276:5021:16
6:51
#6587
15K
9.32 mi11:10:451:03:526:5121:25
6:54
#6685
20K
12.43 mi11:32:141:25:216:5221:29
6:55
#6562
Half
13.11 mi11:36:531:30:006:524:39
6:49
#6548
25K
15.53 mi11:53:421:46:496:5316:49
6:56
#6389
30K
18.64 mi12:15:482:08:556:5522:06
7:07
#6075
20M
20.00 mi12:25:292:18:366:569:41
7:08
#5941
21M
21.00 mi12:34:022:27:097:008:33
8:33
#6137
35K
21.75 mi12:39:432:32:507:025:41
7:36
#6190
23M
23.00 mi12:50:472:43:547:0811:04
8:50
#6562
24M
24.00 mi12:59:272:52:347:118:40
8:40
#6937
40K
24.85 mi13:06:322:59:397:147:05
8:17
#7067
25.2M
25.20 mi13:09:463:02:537:153:14
9:23
#7156
Finish
26.22 mi13:18:063:11:137:188:20
8:11
#7381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6457588358836894(Top 24%)6170(Top 38%)6170(Top 109%)
10K6.21 mi3.10 mi6587-1305979-965979-966824(Top 24%)6140(Top 38%)6140(Top 109%)
15K9.32 mi3.11 mi6685-986034-556034-556894(Top 24%)6170(Top 38%)6170(Top 109%)
20K12.43 mi3.11 mi6562+1235931+1035931+1036303(Top 22%)5668(Top 35%)5668(Top 100%)
Half13.11 mi0.68 mi6548+145914+175914+176258(Top 22%)5643(Top 35%)5643(Top 100%)
25K15.53 mi2.42 mi6389+1595776+1385776+1385888(Top 21%)5307(Top 33%)5307(Top 94%)
30K18.64 mi3.11 mi6075+3145488+2885488+2885391(Top 19%)4849(Top 30%)4849(Top 86%)
20M20.00 mi1.36 mi5941+1345376+1125376+1124811(Top 17%)4337(Top 27%)4337(Top 77%)
21M21.00 mi1.00 mi6137-1965511-1355511-13510753(Top 38%)7733(Top 48%)7733(Top 137%)
35K21.75 mi0.75 mi6190-535547-365547-369262(Top 33%)6968(Top 43%)6968(Top 124%)
23M23.00 mi1.25 mi6562-3725789-2425789-24215291(Top 54%)9753(Top 61%)9753(Top 173%)
24M24.00 mi1.00 mi6937-3756022-2336022-23315502(Top 55%)9806(Top 61%)9806(Top 174%)
40K24.85 mi0.85 mi7067-1306076-546076-5412026(Top 42%)8059(Top 50%)8059(Top 143%)
25.2M25.20 mi0.35 mi7156-896123-476123-4713769(Top 48%)8803(Top 55%)8803(Top 156%)
Finish26.22 mi1.02 mi7381-2256237-1146237-11414080(Top 50%)9039(Top 56%)9039(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6894

Males

6170

M18-39

6170

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6824

Males

6140

M18-39

6140

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6894

Males

6170

M18-39

6170

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6303

Males

5668

M18-39

5668

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6258

Males

5643

M18-39

5643

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5888

Males

5307

M18-39

5307

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5391

Males

4849

M18-39

4849

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4811

Males

4337

M18-39

4337

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10753

Males

7733

M18-39

7733

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9262

Males

6968

M18-39

6968

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15291

Males

9753

M18-39

9753

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15502

Males

9806

M18-39

9806

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12026

Males

8059

M18-39

8059

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13769

Males

8803

M18-39

8803

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14080

Males

9039

M18-39

9039

Passing Analysis

Category:
Athletes Passed
1344
Passed By
2268
Net Change
-924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6457
5K → 10K142272-130#6457#6587
10K → 15K118216-98#6587#6685
15K → 20K19067+123#6685#6562
20K → Half4026+14#6562#6548
Half → 25K20748+159#6548#6389
25K → 30K34834+314#6389#6075
30K → 20M15117+134#6075#5941
20M → 21M22218-196#5941#6137
21M → 35K2578-53#6137#6190
35K → 23M26398-372#6190#6562
23M → 24M17392-375#6562#6937
24M → 40K27157-130#6937#7067
40K → 25.2M14103-89#7067#7156
25.2M → Finish17242-225#7156#7381
TOTALS13442268-924
📊

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