Boston Marathon logo
BOSTON MARATHON 2025

Ola Krikström

Bib: 1667•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M45-49)
#0 / 2386
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #4485
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
41:18
Rank: #4895 (-410)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:26
Rank: #5243 (-348)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:24:26
Rank: #5892 (-649)
15K → 20K
22:00 | 7:05/mi
Half· 13.11 mi
1:29:15
Rank: #6020 (-128)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:46:58
Rank: #6458 (-438)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:10:43
Rank: #6747 (-289)
25K → 30K
23:45 | 7:39/mi
20M
2:21:15
Rank: #6774 (-27)
30K → 20M
10:32 | 7:45/mi
21M
2:29:31
Rank: #6825 (-51)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:35:13
Rank: #6898 (-73)
21M → 35K
5:42 | 7:37/mi
23M
2:44:58
Rank: #6931 (-33)
35K → 23M
9:45 | 7:47/mi
24M
2:52:19
Rank: #6858 (+73)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:58:31
Rank: #6742 (+116)
24M → 40K
6:12 | 7:15/mi
25.2M
3:01:12
Rank: #6679 (+63)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:07:51
Rank: #6442 (+237)
25.2M → Finish
6:39 | 6:32/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:15
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:38:36
Pace7:31 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0220:286:3520:28
6:35
-
10K
6.21 mi10:41:5241:186:3920:50
6:42
+0:07
15K
9.32 mi11:03:001:02:266:4221:08
6:48
+0:06
20K
12.43 mi11:25:001:24:266:4822:00
7:05
+0:17
Half
13.11 mi11:29:491:29:156:484:49
7:04
-0:01
25K
15.53 mi11:47:321:46:586:5317:43
7:18
+0:14
30K
18.64 mi12:11:172:10:437:0123:45
7:39
+0:21
20M
20.00 mi12:21:492:21:157:0410:32
7:45
+0:06
21M
21.00 mi12:30:052:29:317:078:16
8:16
+0:31
35K
21.75 mi12:35:472:35:137:085:42
7:37
-0:39
23M
23.00 mi12:45:322:44:587:109:45
7:47
+0:10
24M
24.00 mi12:52:532:52:197:117:21
7:21
-0:26
40K
24.85 mi12:59:052:58:317:116:12
7:15
-0:06
25.2M
25.20 mi13:01:463:01:127:112:41
7:47
+0:32
Finish
26.22 mi13:08:253:07:517:106:39
6:32
-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

6:32 /mi

Average Pace

7:10 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:05

37% of race

Time at Steady Pace

58:05

31% of race

Time at Slower Pace

1:00:41

32% of race

Average Pace: 7:10 /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 mi10:21:0220:286:3520:28
6:35
#4485
10K
6.21 mi10:41:5241:186:3920:50
6:42
#4895
15K
9.32 mi11:03:001:02:266:4221:08
6:48
#5243
20K
12.43 mi11:25:001:24:266:4822:00
7:05
#5892
Half
13.11 mi11:29:491:29:156:484:49
7:04
#6020
25K
15.53 mi11:47:321:46:586:5317:43
7:18
#6458
30K
18.64 mi12:11:172:10:437:0123:45
7:39
#6747
20M
20.00 mi12:21:492:21:157:0410:32
7:45
#6774
21M
21.00 mi12:30:052:29:317:078:16
8:16
#6825
35K
21.75 mi12:35:472:35:137:085:42
7:37
#6898
23M
23.00 mi12:45:322:44:587:109:45
7:47
#6931
24M
24.00 mi12:52:532:52:197:117:21
7:21
#6858
40K
24.85 mi12:59:052:58:317:116:12
7:15
#6742
25.2M
25.20 mi13:01:463:01:127:112:41
7:47
#6679
Finish
26.22 mi13:08:253:07:517:106:39
6:32
#6442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4485421742176099(Top 21%)5539(Top 34%)5539(Top 232%)
10K6.21 mi3.10 mi4895-4104568-3514568-3515382(Top 19%)4974(Top 31%)4974(Top 208%)
15K9.32 mi3.11 mi5243-3484867-2994867-2996099(Top 21%)5539(Top 34%)5539(Top 232%)
20K12.43 mi3.11 mi5892-6495400-5335400-5337399(Top 26%)6486(Top 40%)6486(Top 272%)
Half13.11 mi0.68 mi6020-1285497-975497-977933(Top 28%)6834(Top 42%)6834(Top 286%)
25K15.53 mi2.42 mi6458-4385833-3365833-3368393(Top 30%)6987(Top 43%)6987(Top 293%)
30K18.64 mi3.11 mi6747-2896018-1856018-1858767(Top 31%)7008(Top 44%)7008(Top 294%)
20M20.00 mi1.36 mi6774-276013+56013+58681(Top 31%)6822(Top 42%)6822(Top 286%)
21M21.00 mi1.00 mi6825-516027-146027-148964(Top 32%)6783(Top 42%)6783(Top 284%)
35K21.75 mi0.75 mi6898-736065-386065-389405(Top 33%)7048(Top 44%)7048(Top 295%)
23M23.00 mi1.25 mi6931-336054+116054+118466(Top 30%)6414(Top 40%)6414(Top 269%)
24M24.00 mi1.00 mi6858+735973+815973+816688(Top 24%)5335(Top 33%)5335(Top 224%)
40K24.85 mi0.85 mi6742+1165865+1085865+1085339(Top 19%)4440(Top 28%)4440(Top 186%)
25.2M25.20 mi0.35 mi6679+635804+615804+614745(Top 17%)3943(Top 24%)3943(Top 165%)
Finish26.22 mi1.02 mi6442+2375621+1835621+1832951(Top 10%)2632(Top 16%)2632(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6099

Males

5539

M45-49

5539

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5382

Males

4974

M45-49

4974

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6099

Males

5539

M45-49

5539

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7399

Males

6486

M45-49

6486

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7933

Males

6834

M45-49

6834

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8393

Males

6987

M45-49

6987

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8767

Males

7008

M45-49

7008

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8681

Males

6822

M45-49

6822

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8964

Males

6783

M45-49

6783

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9405

Males

7048

M45-49

7048

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8466

Males

6414

M45-49

6414

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6688

Males

5335

M45-49

5335

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5339

Males

4440

M45-49

4440

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4745

Males

3943

M45-49

3943

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2951

Males

2632

M45-49

2632

Passing Analysis

Category:
Athletes Passed
1081
Passed By
3038
Net Change
-1957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4485
5K → 10K47457-410#4485#4895
10K → 15K46394-348#4895#5243
15K → 20K23672-649#5243#5892
20K → Half3131-128#5892#6020
Half → 25K42480-438#6020#6458
25K → 30K102391-289#6458#6747
30K → 20M78105-27#6747#6774
20M → 21M75126-51#6774#6825
21M → 35K33106-73#6825#6898
35K → 23M79112-33#6898#6931
23M → 24M10936+73#6931#6858
24M → 40K13418+116#6858#6742
40K → 25.2M729+63#6742#6679
25.2M → Finish2381+237#6679#6442
TOTALS10813038-1957
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing