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BOSTON MARATHON 2025

Christian Valdemar Mathiesen

Bib: 26348•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
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
22:52
Rank: #10940
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:52
Rank: #11068 (-128)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:01
Rank: #11110 (-42)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:19
Rank: #11000 (+110)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:37:18
Rank: #10949 (+51)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:32
Rank: #10776 (+173)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:20:54
Rank: #11104 (-328)
25K → 30K
25:22 | 8:10/mi
20M
2:34:28
Rank: #12103 (-999)
30K → 20M
13:34 | 9:59/mi
21M
2:43:12
Rank: #12071 (+32)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:49:05
Rank: #12032 (+39)
21M → 35K
5:53 | 7:52/mi
23M
3:00:01
Rank: #12176 (-144)
35K → 23M
10:56 | 8:44/mi
24M
3:08:53
Rank: #12404 (-228)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:16:47
Rank: #12640 (-236)
24M → 40K
7:54 | 9:14/mi
25.2M
3:20:08
Rank: #12685 (-45)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:28:46
Rank: #12835 (-150)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:18
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:51:28
Pace8:30 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:3122:527:2222:52
7:22
-
10K
6.21 mi12:01:3145:527:2323:00
7:24
+0:02
15K
9.32 mi12:24:401:09:017:2423:09
7:27
+0:03
20K
12.43 mi12:47:581:32:197:2623:18
7:30
+0:03
Half
13.11 mi12:52:571:37:187:254:59
7:18
-0:12
25K
15.53 mi13:11:111:55:327:2618:14
7:31
+0:13
30K
18.64 mi13:36:332:20:547:3425:22
8:10
+0:39
20M
20.00 mi13:50:072:34:287:4313:34
9:59
+1:49
21M
21.00 mi13:58:512:43:127:468:44
8:44
-1:15
35K
21.75 mi14:04:442:49:057:465:53
7:52
-0:52
23M
23.00 mi14:15:403:00:017:5010:56
8:44
+0:52
24M
24.00 mi14:24:323:08:537:528:52
8:52
+0:08
40K
24.85 mi14:32:263:16:477:557:54
9:14
+0:22
25.2M
25.20 mi14:35:473:20:087:573:21
9:43
+0:29
Finish
26.22 mi14:44:253:28:467:588:38
8:28
-1:15

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

7:18 /mi

Average Pace

7:58 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:32

55% of race

Time at Steady Pace

39:53

19% of race

Time at Slower Pace

53:21

26% of race

Average Pace: 7:58 /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 mi11:38:3122:527:2222:52
7:22
#10940
10K
6.21 mi12:01:3145:527:2323:00
7:24
#11068
15K
9.32 mi12:24:401:09:017:2423:09
7:27
#11110
20K
12.43 mi12:47:581:32:197:2623:18
7:30
#11000
Half
13.11 mi12:52:571:37:187:254:59
7:18
#10949
25K
15.53 mi13:11:111:55:327:2618:14
7:31
#10776
30K
18.64 mi13:36:332:20:547:3425:22
8:10
#11104
20M
20.00 mi13:50:072:34:287:4313:34
9:59
#12103
21M
21.00 mi13:58:512:43:127:468:44
8:44
#12071
35K
21.75 mi14:04:442:49:057:465:53
7:52
#12032
23M
23.00 mi14:15:403:00:017:5010:56
8:44
#12176
24M
24.00 mi14:24:323:08:537:528:52
8:52
#12404
40K
24.85 mi14:32:263:16:477:557:54
9:14
#12640
25.2M
25.20 mi14:35:473:20:087:573:21
9:43
#12685
Finish
26.22 mi14:44:253:28:467:588:38
8:28
#12835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi109408665866511335(Top 40%)8758(Top 54%)8758(Top 155%)
10K6.21 mi3.10 mi11068-1288711-468711-4611205(Top 39%)8756(Top 54%)8756(Top 155%)
15K9.32 mi3.11 mi11110-428706+58706+511335(Top 40%)8758(Top 54%)8758(Top 155%)
20K12.43 mi3.11 mi11000+1108634+728634+7210762(Top 38%)8388(Top 52%)8388(Top 149%)
Half13.11 mi0.68 mi10949+518603+318603+3110033(Top 35%)8055(Top 50%)8055(Top 143%)
25K15.53 mi2.42 mi10776+1738475+1288475+12810138(Top 36%)7963(Top 49%)7963(Top 141%)
30K18.64 mi3.11 mi11104-3288557-828557-8212551(Top 44%)8928(Top 55%)8928(Top 158%)
20M20.00 mi1.36 mi12103-9998989-4328989-43220869(Top 73%)12523(Top 78%)12523(Top 222%)
21M21.00 mi1.00 mi12071+328935+548935+5411871(Top 42%)8319(Top 52%)8319(Top 147%)
35K21.75 mi0.75 mi12032+398891+448891+4411278(Top 40%)8005(Top 50%)8005(Top 142%)
23M23.00 mi1.25 mi12176-1448919-288919-2814710(Top 52%)9488(Top 59%)9488(Top 168%)
24M24.00 mi1.00 mi12404-2288996-778996-7716644(Top 59%)10309(Top 64%)10309(Top 183%)
40K24.85 mi0.85 mi12640-2369082-869082-8617507(Top 62%)10595(Top 66%)10595(Top 188%)
25.2M25.20 mi0.35 mi12685-459086-49086-415610(Top 55%)9676(Top 60%)9676(Top 171%)
Finish26.22 mi1.02 mi12835-1509132-469132-4616003(Top 56%)9935(Top 62%)9935(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11335

Males

8758

M18-39

8758

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11205

Males

8756

M18-39

8756

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11335

Males

8758

M18-39

8758

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10762

Males

8388

M18-39

8388

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

10033

Males

8055

M18-39

8055

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10138

Males

7963

M18-39

7963

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12551

Males

8928

M18-39

8928

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20869

Males

12523

M18-39

12523

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11871

Males

8319

M18-39

8319

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11278

Males

8005

M18-39

8005

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14710

Males

9488

M18-39

9488

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16644

Males

10309

M18-39

10309

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17507

Males

10595

M18-39

10595

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15610

Males

9676

M18-39

9676

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

16003

Males

9935

M18-39

9935

Passing Analysis

Category:
Athletes Passed
1443
Passed By
3338
Net Change
-1895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10940
5K → 10K212340-128#10940#11068
10K → 15K158200-42#11068#11110
15K → 20K222112+110#11110#11000
20K → Half6514+51#11000#10949
Half → 25K24875+173#10949#10776
25K → 30K143471-328#10776#11104
30K → 20M171016-999#11104#12103
20M → 21M11381+32#12103#12071
21M → 35K8041+39#12071#12032
35K → 23M72216-144#12032#12176
23M → 24M25253-228#12176#12404
24M → 40K29265-236#12404#12640
40K → 25.2M2368-45#12640#12685
25.2M → Finish36186-150#12685#12835
TOTALS14433338-1895
📊

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