Boston Marathon logo
BOSTON MARATHON 2025

Danni Fu

Bib: 11234•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #8126
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
43:24
Rank: #7751 (+375)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:05:26
Rank: #7901 (-150)
10K → 15K
22:02 | 7:06/mi
20K· 12.43 mi
1:27:45
Rank: #7903 (-2)
15K → 20K
22:19 | 7:11/mi
Half· 13.11 mi
1:32:31
Rank: #7872 (+31)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:50:09
Rank: #7867 (+5)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:13:11
Rank: #7640 (+227)
25K → 30K
23:02 | 7:25/mi
20M
2:23:19
Rank: #7500 (+140)
30K → 20M
10:08 | 7:27/mi
21M
2:31:11
Rank: #7379 (+121)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:36:24
Rank: #7259 (+120)
21M → 35K
5:13 | 6:58/mi
23M
2:45:31
Rank: #7088 (+171)
35K → 23M
9:07 | 7:17/mi
24M
2:52:29
Rank: #6915 (+173)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:58:36
Rank: #6780 (+135)
24M → 40K
6:07 | 7:09/mi
25.2M
3:01:19
Rank: #6714 (+66)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:08:29
Rank: #6626 (+88)
25.2M → Finish
7:10 | 7:02/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
Time1:32:31
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:35:58
Pace7:19 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2821:527:0221:52
7:02
-
10K
6.21 mi11:10:0043:246:5921:32
6:56
-0:06
15K
9.32 mi11:32:021:05:267:0122:02
7:06
+0:10
20K
12.43 mi11:54:211:27:457:0422:19
7:11
+0:05
Half
13.11 mi11:59:071:32:317:034:46
6:59
-0:12
25K
15.53 mi12:16:451:50:097:0517:38
7:16
+0:17
30K
18.64 mi12:39:472:13:117:0923:02
7:25
+0:09
20M
20.00 mi12:49:552:23:197:1010:08
7:27
+0:02
21M
21.00 mi12:57:472:31:117:127:52
7:52
+0:25
35K
21.75 mi13:03:002:36:247:115:13
6:58
-0:54
23M
23.00 mi13:12:072:45:317:129:07
7:17
+0:19
24M
24.00 mi13:19:052:52:297:116:58
6:58
-0:19
40K
24.85 mi13:25:122:58:367:116:07
7:09
+0:11
25.2M
25.20 mi13:27:553:01:197:122:43
7:53
+0:44
Finish
26.22 mi13:35:053:08:297:127:10
7:02
-0:51

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

6:56 /mi

Average Pace

7:12 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:54

94% of race

Time at Steady Pace

10:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:48:2821:527:0221:52
7:02
#8126
10K
6.21 mi11:10:0043:246:5921:32
6:56
#7751
15K
9.32 mi11:32:021:05:267:0122:02
7:06
#7901
20K
12.43 mi11:54:211:27:457:0422:19
7:11
#7903
Half
13.11 mi11:59:071:32:317:034:46
6:59
#7872
25K
15.53 mi12:16:451:50:097:0517:38
7:16
#7867
30K
18.64 mi12:39:472:13:117:0923:02
7:25
#7640
20M
20.00 mi12:49:552:23:197:1010:08
7:27
#7500
21M
21.00 mi12:57:472:31:117:127:52
7:52
#7379
35K
21.75 mi13:03:002:36:247:115:13
6:58
#7259
23M
23.00 mi13:12:072:45:317:129:07
7:17
#7088
24M
24.00 mi13:19:052:52:297:116:58
6:58
#6915
40K
24.85 mi13:25:122:58:367:116:07
7:09
#6780
25.2M
25.20 mi13:27:553:01:197:122:43
7:53
#6714
Finish
26.22 mi13:35:053:08:297:127:10
7:02
#6626
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8126102210228290(Top 29%)1151(Top 9%)1151(Top 67%)
10K6.21 mi3.10 mi7751+375908+114908+1147492(Top 26%)839(Top 7%)839(Top 49%)
15K9.32 mi3.11 mi7901-150961-53961-538290(Top 29%)1151(Top 9%)1151(Top 67%)
20K12.43 mi3.11 mi7903-2992-31992-318061(Top 28%)1127(Top 9%)1127(Top 66%)
Half13.11 mi0.68 mi7872+31982+10982+107548(Top 27%)917(Top 7%)917(Top 53%)
25K15.53 mi2.42 mi7867+5997-15997-158159(Top 29%)1275(Top 10%)1275(Top 74%)
30K18.64 mi3.11 mi7640+227969+28969+287143(Top 25%)1066(Top 9%)1066(Top 62%)
20M20.00 mi1.36 mi7500+140955+14955+146753(Top 24%)1052(Top 9%)1052(Top 61%)
21M21.00 mi1.00 mi7379+121948+7948+76599(Top 23%)1143(Top 9%)1143(Top 67%)
35K21.75 mi0.75 mi7259+120931+17931+175227(Top 18%)684(Top 6%)684(Top 40%)
23M23.00 mi1.25 mi7088+171915+16915+165384(Top 19%)787(Top 6%)787(Top 46%)
24M24.00 mi1.00 mi6915+173889+26889+264478(Top 16%)584(Top 5%)584(Top 34%)
40K24.85 mi0.85 mi6780+135874+15874+154835(Top 17%)731(Top 6%)731(Top 43%)
25.2M25.20 mi0.35 mi6714+66872+2872+25367(Top 19%)997(Top 8%)997(Top 58%)
Finish26.22 mi1.02 mi6626+888728725971(Top 21%)1234(Top 10%)1234(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8290

Females

1151

F40-44

1151

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7492

Females

839

F40-44

839

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8290

Females

1151

F40-44

1151

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

8061

Females

1127

F40-44

1127

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7548

Females

917

F40-44

917

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8159

Females

1275

F40-44

1275

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7143

Females

1066

F40-44

1066

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6753

Females

1052

F40-44

1052

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6599

Females

1143

F40-44

1143

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5227

Females

684

F40-44

684

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5384

Females

787

F40-44

787

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4478

Females

584

F40-44

584

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4835

Females

731

F40-44

731

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5367

Females

997

F40-44

997

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5971

Females

1234

F40-44

1234

Passing Analysis

Category:
Athletes Passed
2262
Passed By
762
Net Change
+1500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8126
5K → 10K44974+375#8126#7751
10K → 15K91241-150#7751#7901
15K → 20K133135-2#7901#7903
20K → Half409+31#7903#7872
Half → 25K119114+5#7872#7867
25K → 30K31184+227#7867#7640
30K → 20M15919+140#7640#7500
20M → 21M14726+121#7500#7379
21M → 35K1222+120#7379#7259
35K → 23M18716+171#7259#7088
23M → 24M1774+173#7088#6915
24M → 40K14510+135#6915#6780
40K → 25.2M759+66#6780#6714
25.2M → Finish10719+88#6714#6626
TOTALS2262762+1500
📊

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