Boston Marathon logo
BOSTON MARATHON 2025

Niki Desjardin

Bib: 10195•F

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F45-49)
#0 / 1813
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:10:17
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:34:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:39:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:58:09
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:22:54
↑ 181↓ 1480.2%
20M
8:07/mi
2:33:56
↑ 64↓ 500.2%
21M
8:36/mi
2:42:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:48:27
↑ 17↓ 861.7%
23M
8:10/mi
2:58:40
↑ 23↓ 630.6%
24M
8:06/mi
3:06:46
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:13:40
↓ 200.3%
25.2M
8:42/mi
3:16:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:24:10
↑ 22↓ 21

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
Time1:39:18
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:44:52
Pace8:00 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2223:017:2523:01
7:25
-
10K
6.21 mi11:12:5446:337:2923:32
7:34
+0:09
15K
9.32 mi11:36:381:10:177:3223:44
7:38
+0:04
20K
12.43 mi12:00:401:34:197:3524:02
7:44
+0:06
Half
13.11 mi12:05:391:39:187:344:59
7:18
-0:26
25K
15.53 mi12:24:301:58:097:3618:51
7:46
+0:28
30K
18.64 mi12:49:152:22:547:4024:45
7:58
+0:12
20M
20.00 mi13:00:172:33:567:4211:02
8:07
+0:09
21M
21.00 mi13:08:532:42:327:448:36
8:36
+0:29
35K
21.75 mi13:14:482:48:277:455:55
7:55
-0:41
23M
23.00 mi13:25:012:58:407:4610:13
8:10
+0:15
24M
24.00 mi13:33:073:06:467:478:06
8:06
-0:04
40K
24.85 mi13:40:013:13:407:486:54
8:04
-0:02
25.2M
25.20 mi13:43:013:16:407:483:00
8:42
+0:38
Finish
26.22 mi13:50:313:24:107:487:30
7:22
-1:20

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

7:48 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:19

77% of race

Time at Steady Pace

44:51

22% of race

Time at Slower Pace

3:00

1% of race

Average Pace: 7:47 /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 mi10:49:2223:017:2523:01
7:25
#11428
10K
6.21 mi11:12:5446:337:2923:32
7:34
#12056
15K
9.32 mi11:36:381:10:177:3223:44
7:38
#12338
20K
12.43 mi12:00:401:34:197:3524:02
7:44
#12403
Half
13.11 mi12:05:391:39:187:344:59
7:18
#12293
25K
15.53 mi12:24:301:58:097:3618:51
7:46
#12240
30K
18.64 mi12:49:152:22:547:4024:45
7:58
#11965
20M
20.00 mi13:00:172:33:567:4211:02
8:07
#11881
21M
21.00 mi13:08:532:42:327:448:36
8:36
#11814
35K
21.75 mi13:14:482:48:277:455:55
7:55
#11791
23M
23.00 mi13:25:012:58:407:4610:13
8:10
#11712
24M
24.00 mi13:33:073:06:467:478:06
8:06
#11696
40K
24.85 mi13:40:013:13:407:486:54
8:04
#11617
25.2M
25.20 mi13:43:013:16:407:483:00
8:42
#11576
Finish
26.22 mi13:50:313:24:107:487:30
7:22
#11397
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi114282497249712956(Top 46%)3420(Top 28%)3420(Top 189%)
10K6.21 mi3.10 mi12056-6282842-3452842-34512801(Top 45%)3250(Top 27%)3250(Top 179%)
15K9.32 mi3.11 mi12338-2823019-1773019-17712956(Top 46%)3420(Top 28%)3420(Top 189%)
20K12.43 mi3.11 mi12403-653087-683087-6812719(Top 45%)3393(Top 28%)3393(Top 187%)
Half13.11 mi0.68 mi12293+1103037+503037+5010139(Top 36%)2045(Top 17%)2045(Top 113%)
25K15.53 mi2.42 mi12240+533041-43041-412139(Top 43%)3181(Top 26%)3181(Top 175%)
30K18.64 mi3.11 mi11965+2752976+652976+6511154(Top 39%)2864(Top 23%)2864(Top 158%)
20M20.00 mi1.36 mi11881+842966+102966+1011259(Top 40%)3064(Top 25%)3064(Top 169%)
21M21.00 mi1.00 mi11814+672977-112977-1111108(Top 39%)3148(Top 26%)3148(Top 174%)
35K21.75 mi0.75 mi11791+232982-52982-511654(Top 41%)3456(Top 28%)3456(Top 191%)
23M23.00 mi1.25 mi11712+792989-72989-711134(Top 39%)3291(Top 27%)3291(Top 182%)
24M24.00 mi1.00 mi11696+163020-313020-3111917(Top 42%)3756(Top 31%)3756(Top 207%)
40K24.85 mi0.85 mi11617+793006+143006+1410688(Top 38%)3257(Top 27%)3257(Top 180%)
25.2M25.20 mi0.35 mi11576+413001+53001+510070(Top 35%)3057(Top 25%)3057(Top 169%)
Finish26.22 mi1.02 mi11397+1792951+502951+508239(Top 29%)2175(Top 18%)2175(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12956

Females

3420

F45-49

3420

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12801

Females

3250

F45-49

3250

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12956

Females

3420

F45-49

3420

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12719

Females

3393

F45-49

3393

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10139

Females

2045

F45-49

2045

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12139

Females

3181

F45-49

3181

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11154

Females

2864

F45-49

2864

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11259

Females

3064

F45-49

3064

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11108

Females

3148

F45-49

3148

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11654

Females

3456

F45-49

3456

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11134

Females

3291

F45-49

3291

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11917

Females

3756

F45-49

3756

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10688

Females

3257

F45-49

3257

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10070

Females

3057

F45-49

3057

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8239

Females

2175

F45-49

2175

Passing Analysis

Category:
Athletes Passed
1959
Passed By
1928
Net Change
+31
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11428
5K → 10K67695-628#11428#12056
10K → 15K102384-282#12056#12338
15K → 20K166231-65#12338#12403
20K → Half1144+110#12403#12293
Half → 25K176123+53#12293#12240
25K → 30K377102+275#12240#11965
30K → 20M15874+84#11965#11881
20M → 21M13568+67#11881#11814
21M → 35K6441+23#11814#11791
35K → 23M14566+79#11791#11712
23M → 24M9276+16#11712#11696
24M → 40K11132+79#11696#11617
40K → 25.2M5514+41#11617#11576
25.2M → Finish19718+179#11576#11397
TOTALS19591928+31
📊

Passing Visuals

Category:
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