Boston Marathon logo
BOSTON MARATHON 2025

Emily Hemming

PA

Bib: 15990 F

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:44/mi
24:01
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:42/mi
47:56
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:43/mi
1:11:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:50/mi
1:36:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:56/mi
1:41:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:10/mi
2:01:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:27/mi
2:27:44
↑ 181↓ 1480.2%
138 ft elev
20M
8:31/mi
2:39:18
↑ 64↓ 500.2%
148 ft elev
21M
9:02/mi
2:48:20
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:17/mi
2:58:16
↑ 17↓ 861.7%
156 ft elev
23M
8:35/mi
3:09:01
↑ 23↓ 630.6%
116 ft elev
24M
8:23/mi
3:17:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:33/mi
3:24:43
↓ 200.3%
20 ft elev
25.2M
9:28/mi
3:27:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:19/mi
3:36:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:39
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4524:017:4424:01
7:44
-
10K
6.21 mi11:19:4047:567:4323:55
7:42
-0:02
15K
9.32 mi11:43:381:11:547:4323:58
7:43
+0:01
20K
12.43 mi12:07:581:36:147:4524:20
7:50
+0:07
Half
13.11 mi12:13:231:41:397:455:25
7:56
+0:06
25K
15.53 mi12:33:122:01:287:4919:49
8:10
+0:14
30K
18.64 mi12:59:282:27:447:5626:16
8:27
+0:17
20M
20.00 mi13:11:022:39:187:5811:34
8:31
+0:04
21M
21.00 mi13:20:042:48:208:019:02
9:02
+0:31
35K
21.75 mi13:30:002:58:168:129:56
13:17
+4:15
23M
23.00 mi13:40:453:09:018:1310:45
8:35
-4:42
24M
24.00 mi13:49:083:17:248:148:23
8:23
-0:12
40K
24.85 mi13:56:273:24:438:147:19
8:33
+0:10
25.2M
25.20 mi13:59:433:27:598:153:16
9:28
+0:55
Finish
26.22 mi14:08:113:36:278:168:28
8:19
-1:09

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

7:42 /mi

Average Pace

8:16 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:53

22% of race

Time at Steady Pace

2:35:22

72% of race

Time at Slower Pace

13:12

6% of race

Average Pace: 8:15 /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 mi10:55:4524:017:4424:01
7:44
#14237
10K
6.21 mi11:19:4047:567:4323:55
7:42
#14032
15K
9.32 mi11:43:381:11:547:4323:58
7:43
#13874
20K
12.43 mi12:07:581:36:147:4524:20
7:50
#13745
Half
13.11 mi12:13:231:41:397:455:25
7:56
#13843
25K
15.53 mi12:33:122:01:287:4919:49
8:10
#14051
30K
18.64 mi12:59:282:27:447:5626:16
8:27
#14080
20M
20.00 mi13:11:022:39:187:5811:34
8:31
#14035
21M
21.00 mi13:20:042:48:208:019:02
9:02
#13972
35K
21.75 mi13:30:002:58:168:129:56
13:17
#15280
23M
23.00 mi13:40:453:09:018:1310:45
8:35
#15162
24M
24.00 mi13:49:083:17:248:148:23
8:23
#15060
40K
24.85 mi13:56:273:24:438:147:19
8:33
#15012
25.2M
25.20 mi13:59:433:27:598:153:16
9:28
#14979
Finish
26.22 mi14:08:113:36:278:168:28
8:19
#14956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142374061406113661(Top 48%)3824(Top 31%)3824(Top 70%)
10K6.21 mi3.10 mi14032+2053962+993962+9913902(Top 49%)3903(Top 32%)3903(Top 71%)
15K9.32 mi3.11 mi13874+1583893+693893+6913661(Top 48%)3824(Top 31%)3824(Top 70%)
20K12.43 mi3.11 mi13745+1293865+283865+2813546(Top 48%)3846(Top 31%)3846(Top 70%)
Half13.11 mi0.68 mi13843-983934-693934-6915480(Top 54%)4880(Top 40%)4880(Top 89%)
25K15.53 mi2.42 mi14051-2084077-1434077-14315139(Top 53%)4811(Top 39%)4811(Top 88%)
30K18.64 mi3.11 mi14080-294155-784155-7814484(Top 51%)4625(Top 38%)4625(Top 85%)
20M20.00 mi1.36 mi14035+454158-34158-313900(Top 49%)4466(Top 37%)4466(Top 82%)
21M21.00 mi1.00 mi13972+634150+84150+813733(Top 48%)4486(Top 37%)4486(Top 82%)
35K21.75 mi0.75 mi15280-13084897-7474897-74727197(Top 96%)11689(Top 96%)11689(Top 214%)
23M23.00 mi1.25 mi15162+1184863+344863+3413855(Top 49%)4727(Top 39%)4727(Top 86%)
24M24.00 mi1.00 mi15060+1024838+254838+2513790(Top 49%)4713(Top 39%)4713(Top 86%)
40K24.85 mi0.85 mi15012+484841-34841-313815(Top 49%)4863(Top 40%)4863(Top 89%)
25.2M25.20 mi0.35 mi14979+334842-14842-114483(Top 51%)5272(Top 43%)5272(Top 96%)
Finish26.22 mi1.02 mi14956+234849-74849-714985(Top 53%)5470(Top 45%)5470(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13661

Females

3824

F18-39

3824

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13902

Females

3903

F18-39

3903

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13661

Females

3824

F18-39

3824

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13546

Females

3846

F18-39

3846

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15480

Females

4880

F18-39

4880

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15139

Females

4811

F18-39

4811

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14484

Females

4625

F18-39

4625

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13900

Females

4466

F18-39

4466

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13733

Females

4486

F18-39

4486

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27197

Females

11689

F18-39

11689

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13855

Females

4727

F18-39

4727

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13790

Females

4713

F18-39

4713

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13815

Females

4863

F18-39

4863

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14483

Females

5272

F18-39

5272

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14985

Females

5470

F18-39

5470

Passing Analysis

Category:
Athletes Passed
2107
Passed By
2826
Net Change
-719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14237
5K → 10K386181+205#14237#14032
10K → 15K263105+158#14032#13874
15K → 20K275146+129#13874#13745
20K → Half9107-98#13745#13843
Half → 25K121329-208#13843#14051
25K → 30K254283-29#14051#14080
30K → 20M13792+45#14080#14035
20M → 21M13370+63#14035#13972
21M → 35K21310-1308#13972#15280
35K → 23M16446+118#15280#15162
23M → 24M13634+102#15162#15060
24M → 40K8941+48#15060#15012
40K → 25.2M5926+33#15012#14979
25.2M → Finish7956+23#14979#14956
TOTALS21072826-719
📊

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