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BOSTON MARATHON 2025

Anna Groves

Bib: 9165•F

AR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
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
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:27
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:05:10
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:27:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:32:13
↑ 19↓ 370.5%
25K· 15.53 mi
7:11/mi
1:49:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:22/mi
2:12:31
↑ 181↓ 1480.2%
20M
8:23/mi
2:23:55
↑ 64↓ 500.2%
21M
9:47/mi
2:33:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:39:28
↑ 17↓ 861.7%
23M
8:19/mi
2:49:53
↑ 23↓ 630.6%
24M
7:32/mi
2:57:25
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:03:53
↓ 200.3%
25.2M
8:07/mi
3:06:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
3:14:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:13
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0521:406:5821:40
6:58
-
10K
6.21 mi11:08:5243:277:0021:47
7:01
+0:03
15K
9.32 mi11:30:351:05:107:0021:43
6:59
-0:02
20K
12.43 mi11:52:471:27:227:0222:12
7:09
+0:10
Half
13.11 mi11:57:381:32:137:024:51
7:07
-0:02
25K
15.53 mi12:15:021:49:377:0317:24
7:11
+0:04
30K
18.64 mi12:37:562:12:317:0722:54
7:22
+0:11
20M
20.00 mi12:49:202:23:557:1211:24
8:23
+1:01
21M
21.00 mi12:59:072:33:427:199:47
9:47
+1:24
35K
21.75 mi13:04:532:39:287:205:46
7:42
-2:05
23M
23.00 mi13:15:182:49:537:2310:25
8:19
+0:37
24M
24.00 mi13:22:502:57:257:247:32
7:32
-0:47
40K
24.85 mi13:29:183:03:537:246:28
7:34
+0:02
25.2M
25.20 mi13:32:063:06:417:242:48
8:07
+0:33
Finish
26.22 mi13:39:253:14:007:247:19
7:11
-0:56

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

6:58 /mi

Average Pace

7:24 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:23

22% of race

Time at Steady Pace

1:56:13

60% of race

Time at Slower Pace

34:24

18% of race

Average Pace: 7:24 /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 mi10:47:0521:406:5821:40
6:58
#7635
10K
6.21 mi11:08:5243:277:0021:47
7:01
#7808
15K
9.32 mi11:30:351:05:107:0021:43
6:59
#7704
20K
12.43 mi11:52:471:27:227:0222:12
7:09
#7695
Half
13.11 mi11:57:381:32:137:024:51
7:07
#7719
25K
15.53 mi12:15:021:49:377:0317:24
7:11
#7634
30K
18.64 mi12:37:562:12:317:0722:54
7:22
#7409
20M
20.00 mi12:49:202:23:557:1211:24
8:23
#7720
21M
21.00 mi12:59:072:33:427:199:47
9:47
#8295
35K
21.75 mi13:04:532:39:287:205:46
7:42
#8332
23M
23.00 mi13:15:182:49:537:2310:25
8:19
#8501
24M
24.00 mi13:22:502:57:257:247:32
7:32
#8450
40K
24.85 mi13:29:183:03:537:246:28
7:34
#8344
25.2M
25.20 mi13:32:063:06:417:242:48
8:07
#8294
Finish
26.22 mi13:39:253:14:007:247:19
7:11
#8221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76358678677581(Top 27%)896(Top 7%)896(Top 16%)
10K6.21 mi3.10 mi7808-173930-63930-638008(Top 28%)1011(Top 8%)1011(Top 18%)
15K9.32 mi3.11 mi7704+104905+25905+257581(Top 27%)896(Top 7%)896(Top 16%)
20K12.43 mi3.11 mi7695+9911-6911-67806(Top 27%)1039(Top 8%)1039(Top 19%)
Half13.11 mi0.68 mi7719-24923-12923-128430(Top 30%)1268(Top 10%)1268(Top 23%)
25K15.53 mi2.42 mi7634+85917+6917+67450(Top 26%)1022(Top 8%)1022(Top 19%)
30K18.64 mi3.11 mi7409+225889+28889+286902(Top 24%)976(Top 8%)976(Top 18%)
20M20.00 mi1.36 mi7720-3111029-1401029-14013074(Top 46%)4009(Top 33%)4009(Top 73%)
21M21.00 mi1.00 mi8295-5751282-2531282-25317400(Top 61%)6470(Top 53%)6470(Top 118%)
35K21.75 mi0.75 mi8332-371318-361318-3610147(Top 36%)2665(Top 22%)2665(Top 49%)
23M23.00 mi1.25 mi8501-1691433-1151433-11512158(Top 43%)3815(Top 31%)3815(Top 70%)
24M24.00 mi1.00 mi8450+511449-161449-167960(Top 28%)1845(Top 15%)1845(Top 34%)
40K24.85 mi0.85 mi8344+1061439+101439+107204(Top 25%)1634(Top 13%)1634(Top 30%)
25.2M25.20 mi0.35 mi8294+501436+31436+36665(Top 23%)1493(Top 12%)1493(Top 27%)
Finish26.22 mi1.02 mi8221+731444-81444-86947(Top 24%)1624(Top 13%)1624(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7581

Females

896

F18-39

896

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8008

Females

1011

F18-39

1011

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7581

Females

896

F18-39

896

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7806

Females

1039

F18-39

1039

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8430

Females

1268

F18-39

1268

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7450

Females

1022

F18-39

1022

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6902

Females

976

F18-39

976

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13074

Females

4009

F18-39

4009

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17400

Females

6470

F18-39

6470

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10147

Females

2665

F18-39

2665

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12158

Females

3815

F18-39

3815

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7960

Females

1845

F18-39

1845

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7204

Females

1634

F18-39

1634

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6665

Females

1493

F18-39

1493

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6947

Females

1624

F18-39

1624

Passing Analysis

Category:
Athletes Passed
1515
Passed By
2101
Net Change
-586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7635
5K → 10K130303-173#7635#7808
10K → 15K19389+104#7808#7704
15K → 20K151142+9#7704#7695
20K → Half1539-24#7695#7719
Half → 25K15772+85#7719#7634
25K → 30K29469+225#7634#7409
30K → 20M37348-311#7409#7720
20M → 21M16591-575#7720#8295
21M → 35K5087-37#8295#8332
35K → 23M75244-169#8332#8501
23M → 24M10352+51#8501#8450
24M → 40K12519+106#8450#8344
40K → 25.2M6313+50#8344#8294
25.2M → Finish10633+73#8294#8221
TOTALS15152101-586
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing