Boston Marathon logo
BOSTON MARATHON 2025

Kodi Kleven

Bib: 139•F

UT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Female)
#0 / 12228
Top 0.4%
Division (F18-39)
#0 / 5469
Top 0.7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:12
Rank: #245
Start → 5K
17:12 | 5:32/mi
10K· 6.21 mi
34:18
Rank: #233 (+12)
5K → 10K
17:06 | 5:30/mi
15K· 9.32 mi
51:59
Rank: #260 (-27)
10K → 15K
17:41 | 5:42/mi
20K· 12.43 mi
1:09:41
Rank: #265 (-5)
15K → 20K
17:42 | 5:42/mi
Half· 13.11 mi
1:13:32
Rank: #267 (-2)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:27:30
Rank: #274 (-7)
Half → 25K
13:58 | 5:46/mi
30K· 18.64 mi
1:46:12
Rank: #303 (-29)
25K → 30K
18:42 | 6:01/mi
20M
1:54:48
Rank: #326 (-23)
30K → 20M
8:36 | 6:20/mi
21M
2:01:42
Rank: #351 (-25)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:06:12
Rank: #359 (-8)
21M → 35K
4:30 | 6:01/mi
23M
2:14:43
Rank: #410 (-51)
35K → 23M
8:31 | 6:48/mi
24M
2:21:24
Rank: #433 (-23)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:27:18
Rank: #473 (-40)
24M → 40K
5:54 | 6:54/mi
25.2M
2:30:03
Rank: #512 (-39)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:37:25
Rank: #602 (-90)
25.2M → Finish
7:22 | 7:14/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
Time1:13:32
Pace5:37 /mi
2nd Half
Distance13.11 mi
Time1:23:53
Pace6:24 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:04:1417:125:3217:12
5:32
-
10K
6.21 mi10:21:2034:185:3117:06
5:30
-0:02
15K
9.32 mi10:39:0151:595:3517:41
5:42
+0:12
20K
12.43 mi10:56:431:09:415:3617:42
5:42
0:00
Half
13.11 mi11:00:341:13:325:373:51
5:39
-0:03
25K
15.53 mi11:14:321:27:305:3813:58
5:46
+0:07
30K
18.64 mi11:33:141:46:125:4218:42
6:01
+0:15
20M
20.00 mi11:41:501:54:485:448:36
6:20
+0:19
21M
21.00 mi11:48:442:01:425:486:54
6:54
+0:34
35K
21.75 mi11:53:142:06:125:484:30
6:01
-0:53
23M
23.00 mi12:01:452:14:435:518:31
6:48
+0:47
24M
24.00 mi12:08:262:21:245:546:41
6:41
-0:07
40K
24.85 mi12:14:202:27:185:565:54
6:54
+0:13
25.2M
25.20 mi12:17:052:30:035:572:45
7:58
+1:04
Finish
26.22 mi12:24:272:37:256:007:22
7:14
-0:44

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

5:30 /mi

Average Pace

6:00 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:09

24% of race

Time at Steady Pace

1:21:09

52% of race

Time at Slower Pace

38:07

24% of race

Average Pace: 6:00 /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 mi10:04:1417:125:3217:12
5:32
#245
10K
6.21 mi10:21:2034:185:3117:06
5:30
#233
15K
9.32 mi10:39:0151:595:3517:41
5:42
#260
20K
12.43 mi10:56:431:09:415:3617:42
5:42
#265
Half
13.11 mi11:00:341:13:325:373:51
5:39
#267
25K
15.53 mi11:14:321:27:305:3813:58
5:46
#274
30K
18.64 mi11:33:141:46:125:4218:42
6:01
#303
20M
20.00 mi11:41:501:54:485:448:36
6:20
#326
21M
21.00 mi11:48:442:01:425:486:54
6:54
#351
35K
21.75 mi11:53:142:06:125:484:30
6:01
#359
23M
23.00 mi12:01:452:14:435:518:31
6:48
#410
24M
24.00 mi12:08:262:21:245:546:41
6:41
#433
40K
24.85 mi12:14:202:27:185:565:54
6:54
#473
25.2M
25.20 mi12:17:052:30:035:572:45
7:58
#512
Finish
26.22 mi12:24:272:37:256:007:22
7:14
#602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi2452626374(Top 1%)27(Top 0.2%)27(Top 0.5%)
10K6.21 mi3.10 mi233+1227-127-1207(Top 0.7%)27(Top 0.2%)27(Top 0.5%)
15K9.32 mi3.11 mi260-272727374(Top 1%)27(Top 0.2%)27(Top 0.5%)
20K12.43 mi3.11 mi265-526+126+1313(Top 1%)25(Top 0.2%)25(Top 0.5%)
Half13.11 mi0.68 mi267-22626377(Top 1%)23(Top 0.2%)23(Top 0.4%)
25K15.53 mi2.42 mi274-725+125+1365(Top 1%)23(Top 0.2%)23(Top 0.4%)
30K18.64 mi3.11 mi303-292525525(Top 2%)33(Top 0.3%)33(Top 0.6%)
20M20.00 mi1.36 mi326-2325251049(Top 4%)53(Top 0.4%)53(Top 1.0%)
21M21.00 mi1.00 mi351-2526-126-11908(Top 7%)102(Top 0.8%)102(Top 2%)
35K21.75 mi0.75 mi359-82626771(Top 3%)45(Top 0.4%)45(Top 0.8%)
23M23.00 mi1.25 mi410-5129-329-32740(Top 10%)209(Top 2%)209(Top 4%)
24M24.00 mi1.00 mi433-2330-130-12931(Top 10%)251(Top 2%)251(Top 5%)
40K24.85 mi0.85 mi473-4035-535-53380(Top 12%)348(Top 3%)348(Top 6%)
25.2M25.20 mi0.35 mi512-3937-237-25831(Top 21%)1157(Top 9%)1157(Top 21%)
Finish26.22 mi1.02 mi602-9043-643-67233(Top 25%)1732(Top 14%)1732(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

374

Females

27

F18-39

27

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5stories
+79ft-138ft

Overall

207

Females

27

F18-39

27

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

374

Females

27

F18-39

27

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

313

Females

25

F18-39

25

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

377

Females

23

F18-39

23

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

365

Females

23

F18-39

23

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

525

Females

33

F18-39

33

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1049

Females

53

F18-39

53

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1908

Females

102

F18-39

102

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

771

Females

45

F18-39

45

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2740

Females

209

F18-39

209

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2931

Females

251

F18-39

251

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3380

Females

348

F18-39

348

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5831

Females

1157

F18-39

1157

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7233

Females

1732

F18-39

1732

Passing Analysis

Category:
Athletes Passed
69
Passed By
426
Net Change
-357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#245
5K → 10K2210+12#245#233
10K → 15K128-27#233#260
15K → 20K1318-5#260#265
20K → Half02-2#265#267
Half → 25K916-7#267#274
25K → 30K1039-29#274#303
30K → 20M225-23#303#326
20M → 21M126-25#326#351
21M → 35K08-8#351#359
35K → 23M253-51#359#410
23M → 24M427-23#410#433
24M → 40K343-40#433#473
40K → 25.2M039-39#473#512
25.2M → Finish292-90#512#602
TOTALS69426-357
📊

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