Boston Marathon logo
BOSTON MARATHON 2025

Kelli Stone

Bib: 25421•F

TN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
10:03/mi
31:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:55/mi
1:02:01
↑ 79↓ 1380.4%
15K· 9.32 mi
10:19/mi
1:34:04
↑ 67↓ 78
20K· 12.43 mi
11:42/mi
2:10:26
↑ 106↓ 860.1%
Half· 13.11 mi
11:29/mi
2:18:16
↑ 19↓ 370.5%
25K· 15.53 mi
11:57/mi
2:47:14
↑ 66↓ 880.2%
30K· 18.64 mi
12:59/mi
3:27:35
↑ 181↓ 1480.2%
20M
13:17/mi
3:45:38
↑ 64↓ 500.2%
21M
14:49/mi
4:00:27
↑ 106↓ 241.6%
35K· 21.75 mi
13:19/mi
4:10:25
↑ 17↓ 861.7%
23M
17:45/mi
4:32:39
↑ 23↓ 630.6%
24M
14:37/mi
4:47:16
↓ 821.3%
40K· 24.85 mi
20:08/mi
5:04:29
↓ 200.3%
25.2M
15:19/mi
5:09:46
↑ 13↓ 160.2%
Finish· 26.22 mi
13:49/mi
5:23:51
↑ 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
Time2:18:16
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time3:05:35
Pace14:09 /mi
📊Positive Split: 34.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:1831:1210:0331:12
10:03
-
10K
6.21 mi12:03:071:02:019:5930:49
9:55
-0:08
15K
9.32 mi12:35:101:34:0410:0632:03
10:19
+0:24
20K
12.43 mi13:11:322:10:2610:3036:22
11:42
+1:23
Half
13.11 mi13:19:222:18:1610:337:50
11:29
-0:13
25K
15.53 mi13:48:202:47:1410:4628:58
11:57
+0:28
30K
18.64 mi14:28:413:27:3511:0840:21
12:59
+1:02
20M
20.00 mi14:46:443:45:3811:1718:03
13:17
+0:18
21M
21.00 mi15:01:334:00:2711:2714:49
14:49
+1:32
35K
21.75 mi15:11:314:10:2511:319:58
13:19
-1:30
23M
23.00 mi15:33:454:32:3911:5122:14
17:45
+4:26
24M
24.00 mi15:48:224:47:1611:5814:37
14:37
-3:08
40K
24.85 mi16:05:355:04:2912:1517:13
20:08
+5:31
25.2M
25.20 mi16:10:525:09:4612:185:17
15:19
-4:49
Finish
26.22 mi16:24:575:23:5112:2214:05
13:49
-1:30

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

9:55 /mi

Average Pace

12:22 /mi

Slowest Pace

20:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:16

43% of race

Time at Steady Pace

2:06:02

39% of race

Time at Slower Pace

59:33

18% of race

Average Pace: 12:21 /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 mi11:32:1831:1210:0331:12
10:03
#25679
10K
6.21 mi12:03:071:02:019:5930:49
9:55
#25395
15K
9.32 mi12:35:101:34:0410:0632:03
10:19
#25508
20K
12.43 mi13:11:322:10:2610:3036:22
11:42
#25972
Half
13.11 mi13:19:222:18:1610:337:50
11:29
#26043
25K
15.53 mi13:48:202:47:1410:4628:58
11:57
#26145
30K
18.64 mi14:28:413:27:3511:0840:21
12:59
#26281
20M
20.00 mi14:46:443:45:3811:1718:03
13:17
#26346
21M
21.00 mi15:01:334:00:2711:2714:49
14:49
#26406
35K
21.75 mi15:11:314:10:2511:319:58
13:19
#26445
23M
23.00 mi15:33:454:32:3911:5122:14
17:45
#26811
24M
24.00 mi15:48:224:47:1611:5814:37
14:37
#26885
40K
24.85 mi16:05:355:04:2912:1517:13
20:08
#27121
25.2M
25.20 mi16:10:525:09:4612:185:17
15:19
#27140
Finish
26.22 mi16:24:575:23:5112:2214:05
13:49
#27195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi25679105741057425616(Top 90%)10570(Top 86%)10570(Top 1694%)
10K6.21 mi3.10 mi25395+28410450+12410450+12425135(Top 88%)10310(Top 84%)10310(Top 1652%)
15K9.32 mi3.11 mi25508-11310503-5310503-5325616(Top 90%)10570(Top 86%)10570(Top 1694%)
20K12.43 mi3.11 mi25972-46410773-27010773-27026842(Top 95%)11299(Top 92%)11299(Top 1811%)
Half13.11 mi0.68 mi26043-7110812-3910812-3927034(Top 95%)11438(Top 94%)11438(Top 1833%)
25K15.53 mi2.42 mi26145-10210869-5710869-5726382(Top 93%)11069(Top 91%)11069(Top 1774%)
30K18.64 mi3.11 mi26281-13610970-10110970-10126663(Top 94%)11312(Top 93%)11312(Top 1813%)
20M20.00 mi1.36 mi26346-6511034-6411034-6426701(Top 94%)11403(Top 93%)11403(Top 1827%)
21M21.00 mi1.00 mi26406-6011076-4211076-4227000(Top 95%)11568(Top 95%)11568(Top 1854%)
35K21.75 mi0.75 mi26445-3911104-2811104-2827224(Top 96%)11704(Top 96%)11704(Top 1876%)
23M23.00 mi1.25 mi26811-36611320-21611320-21628319(Top 100%)12203(Top 100%)12203(Top 1956%)
24M24.00 mi1.00 mi26885-7411370-5011370-5027923(Top 98%)12072(Top 99%)12072(Top 1935%)
40K24.85 mi0.85 mi27121-23611512-14211512-14228383(Top 100%)12222(Top 100%)12222(Top 1959%)
25.2M25.20 mi0.35 mi27140-1911525-1311525-1327328(Top 96%)11815(Top 97%)11815(Top 1893%)
Finish26.22 mi1.02 mi27195-5511563-3811563-3827978(Top 99%)12084(Top 99%)12084(Top 1937%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25616

Females

10570

F60-64

10570

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25135

Females

10310

F60-64

10310

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25616

Females

10570

F60-64

10570

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26842

Females

11299

F60-64

11299

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

27034

Females

11438

F60-64

11438

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26382

Females

11069

F60-64

11069

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26663

Females

11312

F60-64

11312

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26701

Females

11403

F60-64

11403

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

27000

Females

11568

F60-64

11568

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27224

Females

11704

F60-64

11704

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28319

Females

12203

F60-64

12203

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27923

Females

12072

F60-64

12072

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28383

Females

12222

F60-64

12222

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27328

Females

11815

F60-64

11815

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

27978

Females

12084

F60-64

12084

Passing Analysis

Category:
Athletes Passed
697
Passed By
2213
Net Change
-1516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25679
5K → 10K35672+284#25679#25395
10K → 15K91204-113#25395#25508
15K → 20K33497-464#25508#25972
20K → Half879-71#25972#26043
Half → 25K44146-102#26043#26145
25K → 30K54190-136#26145#26281
30K → 20M41106-65#26281#26346
20M → 21M2686-60#26346#26406
21M → 35K1554-39#26406#26445
35K → 23M4370-366#26445#26811
23M → 24M1791-74#26811#26885
24M → 40K0236-236#26885#27121
40K → 25.2M221-19#27121#27140
25.2M → Finish661-55#27140#27195
TOTALS6972213-1516
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing