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BOSTON MARATHON 2025

James Christiansen

Bib: 4785•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
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
21:15
Rank: #6638
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
43:32
Rank: #7899 (-1261)
5K → 10K
22:17 | 7:10/mi
15K· 9.32 mi
1:05:59
Rank: #8329 (-430)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:28:52
Rank: #8553 (-224)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:33:57
Rank: #8674 (-121)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:52:03
Rank: #8791 (-117)
Half → 25K
18:06 | 7:28/mi
30K· 18.64 mi
2:16:18
Rank: #8946 (-155)
25K → 30K
24:15 | 7:48/mi
20M
2:27:03
Rank: #8978 (-32)
30K → 20M
10:45 | 7:55/mi
21M
2:35:35
Rank: #9054 (-76)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:41:45
Rank: #9217 (-163)
21M → 35K
6:10 | 8:15/mi
23M
2:52:12
Rank: #9384 (-167)
35K → 23M
10:27 | 8:21/mi
24M
3:00:44
Rank: #9636 (-252)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:08:22
Rank: #9896 (-260)
24M → 40K
7:38 | 8:56/mi
25.2M
3:11:25
Rank: #9907 (-11)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:20:21
Rank: #10246 (-339)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:57
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0521:156:5021:15
6:50
-
10K
6.21 mi10:49:2243:327:0022:17
7:10
+0:20
15K
9.32 mi11:11:491:05:597:0522:27
7:14
+0:04
20K
12.43 mi11:34:421:28:527:0922:53
7:22
+0:08
Half
13.11 mi11:39:471:33:577:105:05
7:27
+0:05
25K
15.53 mi11:57:531:52:037:1318:06
7:28
+0:01
30K
18.64 mi12:22:082:16:187:1924:15
7:48
+0:20
20M
20.00 mi12:32:532:27:037:2110:45
7:55
+0:07
21M
21.00 mi12:41:252:35:357:258:32
8:32
+0:37
35K
21.75 mi12:47:352:41:457:266:10
8:15
-0:17
23M
23.00 mi12:58:022:52:127:2910:27
8:21
+0:06
24M
24.00 mi13:06:343:00:447:328:32
8:32
+0:11
40K
24.85 mi13:14:123:08:227:357:38
8:56
+0:24
25.2M
25.20 mi13:17:153:11:257:363:03
8:51
-0:05
Finish
26.22 mi13:26:113:20:217:398:56
8:46
-0:05

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

6:50 /mi

Average Pace

7:39 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:03

56% of race

Time at Steady Pace

35:00

17% of race

Time at Slower Pace

53:18

27% of race

Average Pace: 7:38 /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 mi10:27:0521:156:5021:15
6:50
#6638
10K
6.21 mi10:49:2243:327:0022:17
7:10
#7899
15K
9.32 mi11:11:491:05:597:0522:27
7:14
#8329
20K
12.43 mi11:34:421:28:527:0922:53
7:22
#8553
Half
13.11 mi11:39:471:33:577:105:05
7:27
#8674
25K
15.53 mi11:57:531:52:037:1318:06
7:28
#8791
30K
18.64 mi12:22:082:16:187:1924:15
7:48
#8946
20M
20.00 mi12:32:532:27:037:2110:45
7:55
#8978
21M
21.00 mi12:41:252:35:357:258:32
8:32
#9054
35K
21.75 mi12:47:352:41:457:266:10
8:15
#9217
23M
23.00 mi12:58:022:52:127:2910:27
8:21
#9384
24M
24.00 mi13:06:343:00:447:328:32
8:32
#9636
40K
24.85 mi13:14:123:08:227:357:38
8:56
#9896
25.2M
25.20 mi13:17:153:11:257:363:03
8:51
#9907
Finish
26.22 mi13:26:113:20:217:398:56
8:46
#10246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6638602760279334(Top 33%)7732(Top 48%)7732(Top 137%)
10K6.21 mi3.10 mi7899-12616918-8916918-8919252(Top 33%)7746(Top 48%)7746(Top 137%)
15K9.32 mi3.11 mi8329-4307178-2607178-2609334(Top 33%)7732(Top 48%)7732(Top 137%)
20K12.43 mi3.11 mi8553-2247296-1187296-1189587(Top 34%)7786(Top 48%)7786(Top 138%)
Half13.11 mi0.68 mi8674-1217360-647360-6411243(Top 40%)8654(Top 54%)8654(Top 153%)
25K15.53 mi2.42 mi8791-1177416-567416-569675(Top 34%)7686(Top 48%)7686(Top 136%)
30K18.64 mi3.11 mi8946-1557432-167432-169978(Top 35%)7679(Top 48%)7679(Top 136%)
20M20.00 mi1.36 mi8978-327424+87424+89801(Top 35%)7431(Top 46%)7431(Top 132%)
21M21.00 mi1.00 mi9054-767436-127436-1210669(Top 38%)7701(Top 48%)7701(Top 136%)
35K21.75 mi0.75 mi9217-1637491-557491-5513845(Top 49%)9196(Top 57%)9196(Top 163%)
23M23.00 mi1.25 mi9384-1677554-637554-6312293(Top 43%)8363(Top 52%)8363(Top 148%)
24M24.00 mi1.00 mi9636-2527650-967650-9614693(Top 52%)9436(Top 59%)9436(Top 167%)
40K24.85 mi0.85 mi9896-2607742-927742-9215866(Top 56%)9842(Top 61%)9842(Top 174%)
25.2M25.20 mi0.35 mi9907-117737+57737+510851(Top 38%)7404(Top 46%)7404(Top 131%)
Finish26.22 mi1.02 mi10246-3397871-1347871-13417832(Top 63%)10780(Top 67%)10780(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9334

Males

7732

M18-39

7732

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9252

Males

7746

M18-39

7746

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9334

Males

7732

M18-39

7732

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9587

Males

7786

M18-39

7786

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11243

Males

8654

M18-39

8654

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9675

Males

7686

M18-39

7686

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9978

Males

7679

M18-39

7679

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9801

Males

7431

M18-39

7431

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10669

Males

7701

M18-39

7701

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13845

Males

9196

M18-39

9196

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12293

Males

8363

M18-39

8363

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14693

Males

9436

M18-39

9436

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15866

Males

9842

M18-39

9842

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10851

Males

7404

M18-39

7404

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17832

Males

10780

M18-39

10780

Passing Analysis

Category:
Athletes Passed
817
Passed By
4422
Net Change
-3608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6638
5K → 10K161277-1261#6638#7899
10K → 15K48478-430#7899#8329
15K → 20K109333-224#8329#8553
20K → Half7128-121#8553#8674
Half → 25K111228-117#8674#8791
25K → 30K167322-155#8791#8946
30K → 20M90122-32#8946#8978
20M → 21M76152-76#8978#9054
21M → 35K25188-163#9054#9217
35K → 23M69236-167#9217#9384
23M → 24M29281-252#9384#9636
24M → 40K26285-260#9636#9896
40K → 25.2M2637-11#9896#9907
25.2M → Finish18355-339#9907#10246
TOTALS8174422-3608
📊

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