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BOSTON MARATHON 2025

Kristian Jamieson

Bib: 4402•M

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0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
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
19:30
Rank: #2288
Start → 5K
19:30 | 6:17/mi
10K· 6.21 mi
38:27
Rank: #1812 (+476)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
58:03
Rank: #1979 (-167)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:19:08
Rank: #2652 (-673)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:23:37
Rank: #2729 (-77)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:40:37
Rank: #3233 (-504)
Half → 25K
17:00 | 7:01/mi
30K· 18.64 mi
2:04:05
Rank: #3990 (-757)
25K → 30K
23:28 | 7:33/mi
20M
2:14:57
Rank: #4491 (-501)
30K → 20M
10:52 | 8:00/mi
21M
2:23:43
Rank: #4970 (-479)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:29:41
Rank: #5250 (-280)
21M → 35K
5:58 | 7:59/mi
23M
2:40:27
Rank: #5649 (-399)
35K → 23M
10:46 | 8:36/mi
24M
2:48:51
Rank: #5924 (-275)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
2:56:02
Rank: #6070 (-146)
24M → 40K
7:11 | 8:24/mi
25.2M
2:59:09
Rank: #6140 (-70)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:07:10
Rank: #6270 (-130)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:37
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2619:306:1719:30
6:17
-
10K
6.21 mi10:40:2338:276:1118:57
6:06
-0:11
15K
9.32 mi10:59:5958:036:1419:36
6:19
+0:13
20K
12.43 mi11:21:041:19:086:2221:05
6:47
+0:28
Half
13.11 mi11:25:331:23:376:234:29
6:34
-0:13
25K
15.53 mi11:42:331:40:376:2917:00
7:01
+0:27
30K
18.64 mi12:06:012:04:056:3923:28
7:33
+0:32
20M
20.00 mi12:16:532:14:576:4510:52
8:00
+0:27
21M
21.00 mi12:25:392:23:436:518:46
8:46
+0:46
35K
21.75 mi12:31:372:29:416:535:58
7:59
-0:47
23M
23.00 mi12:42:232:40:276:5910:46
8:36
+0:37
24M
24.00 mi12:50:472:48:517:028:24
8:24
-0:12
40K
24.85 mi12:57:582:56:027:057:11
8:24
0:00
25.2M
25.20 mi13:01:052:59:097:073:07
9:02
+0:38
Finish
26.22 mi13:09:063:07:107:098:01
7:52
-1:10

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

6:06 /mi

Average Pace

7:09 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:37

54% of race

Time at Steady Pace

48:19

26% of race

Time at Slower Pace

38:14

20% of race

Average Pace: 7:08 /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 mi10:21:2619:306:1719:30
6:17
#2288
10K
6.21 mi10:40:2338:276:1118:57
6:06
#1812
15K
9.32 mi10:59:5958:036:1419:36
6:19
#1979
20K
12.43 mi11:21:041:19:086:2221:05
6:47
#2652
Half
13.11 mi11:25:331:23:376:234:29
6:34
#2729
25K
15.53 mi11:42:331:40:376:2917:00
7:01
#3233
30K
18.64 mi12:06:012:04:056:3923:28
7:33
#3990
20M
20.00 mi12:16:532:14:576:4510:52
8:00
#4491
21M
21.00 mi12:25:392:23:436:518:46
8:46
#4970
35K
21.75 mi12:31:372:29:416:535:58
7:59
#5250
23M
23.00 mi12:42:232:40:276:5910:46
8:36
#5649
24M
24.00 mi12:50:472:48:517:028:24
8:24
#5924
40K
24.85 mi12:57:582:56:027:057:11
8:24
#6070
25.2M
25.20 mi13:01:052:59:097:073:07
9:02
#6140
Finish
26.22 mi13:09:063:07:107:098:01
7:52
#6270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2288218521852379(Top 8%)2269(Top 14%)2269(Top 40%)
10K6.21 mi3.10 mi1812+4761723+4621723+4621468(Top 5%)1395(Top 9%)1395(Top 25%)
15K9.32 mi3.11 mi1979-1671883-1601883-1602379(Top 8%)2269(Top 14%)2269(Top 40%)
20K12.43 mi3.11 mi2652-6732531-6482531-6485161(Top 18%)4756(Top 30%)4756(Top 84%)
Half13.11 mi0.68 mi2729-772604-732604-734177(Top 15%)3916(Top 24%)3916(Top 69%)
25K15.53 mi2.42 mi3233-5043079-4753079-4756392(Top 23%)5685(Top 35%)5685(Top 101%)
30K18.64 mi3.11 mi3990-7573750-6713750-6718096(Top 29%)6640(Top 41%)6640(Top 118%)
20M20.00 mi1.36 mi4491-5014175-4254175-42510390(Top 37%)7725(Top 48%)7725(Top 137%)
21M21.00 mi1.00 mi4970-4794577-4024577-40212044(Top 42%)8380(Top 52%)8380(Top 149%)
35K21.75 mi0.75 mi5250-2804806-2294806-22912040(Top 42%)8320(Top 52%)8320(Top 147%)
23M23.00 mi1.25 mi5649-3995111-3055111-30513880(Top 49%)9095(Top 56%)9095(Top 161%)
24M24.00 mi1.00 mi5924-2755304-1935304-19313818(Top 49%)9043(Top 56%)9043(Top 160%)
40K24.85 mi0.85 mi6070-1465401-975401-9712755(Top 45%)8396(Top 52%)8396(Top 149%)
25.2M25.20 mi0.35 mi6140-705441-405441-4011899(Top 42%)7910(Top 49%)7910(Top 140%)
Finish26.22 mi1.02 mi6270-1305504-635504-6311886(Top 42%)7967(Top 49%)7967(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2379

Males

2269

M18-39

2269

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1468

Males

1395

M18-39

1395

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2379

Males

2269

M18-39

2269

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5161

Males

4756

M18-39

4756

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4177

Males

3916

M18-39

3916

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6392

Males

5685

M18-39

5685

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8096

Males

6640

M18-39

6640

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10390

Males

7725

M18-39

7725

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12044

Males

8380

M18-39

8380

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

12040

Males

8320

M18-39

8320

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13880

Males

9095

M18-39

9095

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13818

Males

9043

M18-39

9043

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12755

Males

8396

M18-39

8396

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11899

Males

7910

M18-39

7910

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11886

Males

7967

M18-39

7967

Passing Analysis

Category:
Athletes Passed
671
Passed By
4653
Net Change
-3982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2288
5K → 10K4859+476#2288#1812
10K → 15K17184-167#1812#1979
15K → 20K6679-673#1979#2652
20K → Half380-77#2652#2729
Half → 25K11515-504#2729#3233
25K → 30K17774-757#3233#3990
30K → 20M11512-501#3990#4491
20M → 21M10489-479#4491#4970
21M → 35K14294-280#4970#5250
35K → 23M22421-399#5250#5649
23M → 24M16291-275#5649#5924
24M → 40K19165-146#5924#6070
40K → 25.2M1181-70#6070#6140
25.2M → Finish29159-130#6140#6270
TOTALS6714653-3982
📊

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