Boston Marathon logo
BOSTON MARATHON 2025

Danielle Keller

Bib: 13411•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
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
7:13/mi
22:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:25
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:52:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:16:46
↑ 181↓ 1480.2%
20M
7:55/mi
2:27:31
↑ 64↓ 500.2%
21M
8:29/mi
2:36:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:41:40
↑ 17↓ 861.7%
23M
7:46/mi
2:51:24
↑ 23↓ 630.6%
24M
7:41/mi
2:59:05
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:05:39
↓ 200.3%
25.2M
8:33/mi
3:08:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:16:09
↑ 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
Time1:35:00
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0222:267:1322:26
7:13
-
10K
6.21 mi11:14:3044:547:1422:28
7:14
+0:01
15K
9.32 mi11:37:011:07:257:1422:31
7:15
+0:01
20K
12.43 mi11:59:381:30:027:1522:37
7:17
+0:02
Half
13.11 mi12:04:361:35:007:154:58
7:17
0:00
25K
15.53 mi12:22:281:52:527:1617:52
7:22
+0:05
30K
18.64 mi12:46:222:16:467:2023:54
7:42
+0:20
20M
20.00 mi12:57:072:27:317:2310:45
7:55
+0:13
21M
21.00 mi13:05:362:36:007:268:29
8:29
+0:34
35K
21.75 mi13:11:162:41:407:265:40
7:34
-0:55
23M
23.00 mi13:21:002:51:247:279:44
7:46
+0:12
24M
24.00 mi13:28:412:59:057:287:41
7:41
-0:05
40K
24.85 mi13:35:153:05:397:286:34
7:41
0:00
25.2M
25.20 mi13:38:123:08:367:292:57
8:33
+0:52
Finish
26.22 mi13:45:453:16:097:297:33
7:25
-1:08

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

7:13 /mi

Average Pace

7:29 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:43

94% of race

Time at Steady Pace

8:29

4% of race

Time at Slower Pace

2:57

2% of race

Average Pace: 7:29 /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 mi10:52:0222:267:1322:26
7:13
#9651
10K
6.21 mi11:14:3044:547:1422:28
7:14
#9688
15K
9.32 mi11:37:011:07:257:1422:31
7:15
#9614
20K
12.43 mi11:59:381:30:027:1522:37
7:17
#9382
Half
13.11 mi12:04:361:35:007:154:58
7:17
#9384
25K
15.53 mi12:22:281:52:527:1617:52
7:22
#9278
30K
18.64 mi12:46:222:16:467:2023:54
7:42
#9171
20M
20.00 mi12:57:072:27:317:2310:45
7:55
#9194
21M
21.00 mi13:05:362:36:007:268:29
8:29
#9225
35K
21.75 mi13:11:162:41:407:265:40
7:34
#9190
23M
23.00 mi13:21:002:51:247:279:44
7:46
#9092
24M
24.00 mi13:28:412:59:057:287:41
7:41
#9048
40K
24.85 mi13:35:153:05:397:286:34
7:41
#8965
25.2M
25.20 mi13:38:123:08:367:292:57
8:33
#8956
Finish
26.22 mi13:45:453:16:097:297:33
7:25
#8906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9651165016509544(Top 34%)1672(Top 14%)1672(Top 31%)
10K6.21 mi3.10 mi9688-371659-91659-99767(Top 34%)1721(Top 14%)1721(Top 31%)
15K9.32 mi3.11 mi9614+741657+21657+29544(Top 34%)1672(Top 14%)1672(Top 31%)
20K12.43 mi3.11 mi9382+2321591+661591+668895(Top 31%)1479(Top 12%)1479(Top 27%)
Half13.11 mi0.68 mi9384-21596-51596-59879(Top 35%)1895(Top 15%)1895(Top 35%)
25K15.53 mi2.42 mi9278+1061576+201576+208925(Top 31%)1609(Top 13%)1609(Top 29%)
30K18.64 mi3.11 mi9171+1071589-131589-139157(Top 32%)1907(Top 16%)1907(Top 35%)
20M20.00 mi1.36 mi9194-231622-331622-339827(Top 35%)2352(Top 19%)2352(Top 43%)
21M21.00 mi1.00 mi9225-311673-511673-5110348(Top 36%)2778(Top 23%)2778(Top 51%)
35K21.75 mi0.75 mi9190+351681-81681-89176(Top 32%)2198(Top 18%)2198(Top 40%)
23M23.00 mi1.25 mi9092+981682-11682-18418(Top 30%)1996(Top 16%)1996(Top 36%)
24M24.00 mi1.00 mi9048+441690-81690-89028(Top 32%)2336(Top 19%)2336(Top 43%)
40K24.85 mi0.85 mi8965+831694-41694-47984(Top 28%)1976(Top 16%)1976(Top 36%)
25.2M25.20 mi0.35 mi8956+91709-151709-159142(Top 32%)2579(Top 21%)2579(Top 47%)
Finish26.22 mi1.02 mi8906+501726-171726-178569(Top 30%)2316(Top 19%)2316(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9544

Females

1672

F18-39

1672

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9767

Females

1721

F18-39

1721

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9544

Females

1672

F18-39

1672

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8895

Females

1479

F18-39

1479

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9879

Females

1895

F18-39

1895

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8925

Females

1609

F18-39

1609

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9157

Females

1907

F18-39

1907

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9827

Females

2352

F18-39

2352

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10348

Females

2778

F18-39

2778

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9176

Females

2198

F18-39

2198

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8418

Females

1996

F18-39

1996

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9028

Females

2336

F18-39

2336

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7984

Females

1976

F18-39

1976

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9142

Females

2579

F18-39

2579

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8569

Females

2316

F18-39

2316

Passing Analysis

Category:
Athletes Passed
1969
Passed By
1223
Net Change
+745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9651
5K → 10K211247-37#9651#9688
10K → 15K203129+74#9688#9614
15K → 20K29462+232#9614#9382
20K → Half2628-2#9382#9384
Half → 25K19589+106#9384#9278
25K → 30K273166+107#9278#9171
30K → 20M87110-23#9171#9194
20M → 21M95126-31#9194#9225
21M → 35K6631+35#9225#9190
35K → 23M15759+98#9190#9092
23M → 24M9450+44#9092#9048
24M → 40K12744+83#9048#8965
40K → 25.2M4334+9#8965#8956
25.2M → Finish9848+50#8956#8906
TOTALS19691223+745
📊

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