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BOSTON MARATHON 2025

Holly Gregory

Bib: 11723•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Division (F18-39)
#0 / 5469
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
7:14/mi
22:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:07:53
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:31:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:36:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
1:56:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:24:49
↑ 181↓ 1480.2%
20M
9:10/mi
2:37:16
↑ 64↓ 500.2%
21M
9:17/mi
2:46:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:52:37
↑ 17↓ 861.7%
23M
9:07/mi
3:04:02
↑ 23↓ 630.6%
24M
8:30/mi
3:12:32
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:20:01
↓ 200.3%
25.2M
10:29/mi
3:23:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:32:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:55:23
Pace8:48 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0122:297:1422:29
7:14
-
10K
6.21 mi11:11:2944:577:1422:28
7:14
0:00
15K
9.32 mi11:34:251:07:537:1722:56
7:23
+0:09
20K
12.43 mi11:58:141:31:427:2323:49
7:40
+0:17
Half
13.11 mi12:03:271:36:557:245:13
7:39
-0:01
25K
15.53 mi12:22:571:56:257:3019:30
8:03
+0:24
30K
18.64 mi12:51:212:24:497:4628:24
9:08
+1:05
20M
20.00 mi13:03:482:37:167:5212:27
9:10
+0:02
21M
21.00 mi13:13:052:46:337:569:17
9:17
+0:07
35K
21.75 mi13:19:092:52:377:566:04
8:07
-1:10
23M
23.00 mi13:30:343:04:028:0011:25
9:07
+1:00
24M
24.00 mi13:39:043:12:328:018:30
8:30
-0:37
40K
24.85 mi13:46:333:20:018:037:29
8:45
+0:15
25.2M
25.20 mi13:50:103:23:388:053:37
10:29
+1:44
Finish
26.22 mi13:58:503:32:188:068:40
8:30
-1:59

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

7:14 /mi

Average Pace

8:06 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:25

55% of race

Time at Steady Pace

30:43

14% of race

Time at Slower Pace

1:05:10

31% of race

Average Pace: 8:06 /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 mi10:49:0122:297:1422:29
7:14
#9820
10K
6.21 mi11:11:2944:577:1422:28
7:14
#9757
15K
9.32 mi11:34:251:07:537:1722:56
7:23
#10076
20K
12.43 mi11:58:141:31:427:2323:49
7:40
#10581
Half
13.11 mi12:03:271:36:557:245:13
7:39
#10700
25K
15.53 mi12:22:571:56:257:3019:30
8:03
#11286
30K
18.64 mi12:51:212:24:497:4628:24
9:08
#12815
20M
20.00 mi13:03:482:37:167:5212:27
9:10
#13241
21M
21.00 mi13:13:052:46:337:569:17
9:17
#13325
35K
21.75 mi13:19:092:52:377:566:04
8:07
#13314
23M
23.00 mi13:30:343:04:028:0011:25
9:07
#13529
24M
24.00 mi13:39:043:12:328:018:30
8:30
#13567
40K
24.85 mi13:46:333:20:018:037:29
8:45
#13628
25.2M
25.20 mi13:50:103:23:388:053:37
10:29
#13747
Finish
26.22 mi13:58:503:32:188:068:40
8:30
#13837
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98201733173310718(Top 38%)2233(Top 18%)2233(Top 41%)
10K6.21 mi3.10 mi9757+631701+321701+329782(Top 34%)1736(Top 14%)1736(Top 32%)
15K9.32 mi3.11 mi10076-3191876-1751876-17510718(Top 38%)2233(Top 18%)2233(Top 41%)
20K12.43 mi3.11 mi10581-5052141-2652141-26512129(Top 43%)3071(Top 25%)3071(Top 56%)
Half13.11 mi0.68 mi10700-1192196-552196-5513056(Top 46%)3542(Top 29%)3542(Top 65%)
25K15.53 mi2.42 mi11286-5862532-3362532-33614236(Top 50%)4329(Top 35%)4329(Top 79%)
30K18.64 mi3.11 mi12815-15293432-9003432-90018361(Top 65%)6764(Top 55%)6764(Top 124%)
20M20.00 mi1.36 mi13241-4263717-2853717-28517603(Top 62%)6467(Top 53%)6467(Top 118%)
21M21.00 mi1.00 mi13325-843788-713788-7115078(Top 53%)5211(Top 43%)5211(Top 95%)
35K21.75 mi0.75 mi13314+113805-173805-1713029(Top 46%)4177(Top 34%)4177(Top 76%)
23M23.00 mi1.25 mi13529-2153972-1673972-16716925(Top 60%)6400(Top 52%)6400(Top 117%)
24M24.00 mi1.00 mi13567-384016-444016-4414514(Top 51%)5099(Top 42%)5099(Top 93%)
40K24.85 mi0.85 mi13628-614076-604076-6014932(Top 53%)5477(Top 45%)5477(Top 100%)
25.2M25.20 mi0.35 mi13747-1194165-894165-8918961(Top 67%)7600(Top 62%)7600(Top 139%)
Finish26.22 mi1.02 mi13837-904231-664231-6616252(Top 57%)6156(Top 50%)6156(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10718

Females

2233

F18-39

2233

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9782

Females

1736

F18-39

1736

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10718

Females

2233

F18-39

2233

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12129

Females

3071

F18-39

3071

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13056

Females

3542

F18-39

3542

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14236

Females

4329

F18-39

4329

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18361

Females

6764

F18-39

6764

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17603

Females

6467

F18-39

6467

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15078

Females

5211

F18-39

5211

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13029

Females

4177

F18-39

4177

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16925

Females

6400

F18-39

6400

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14514

Females

5099

F18-39

5099

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14932

Females

5477

F18-39

5477

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18961

Females

7600

F18-39

7600

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16252

Females

6156

F18-39

6156

Passing Analysis

Category:
Athletes Passed
931
Passed By
4944
Net Change
-4017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9820
5K → 10K259195+63#9820#9757
10K → 15K76393-319#9757#10076
15K → 20K63567-505#10076#10581
20K → Half12131-119#10581#10700
Half → 25K56642-586#10700#11286
25K → 30K341563-1529#11286#12815
30K → 20M46472-426#12815#13241
20M → 21M76160-84#13241#13325
21M → 35K7059+11#13325#13314
35K → 23M54269-215#13314#13529
23M → 24M71109-38#13529#13567
24M → 40K66127-61#13567#13628
40K → 25.2M9128-119#13628#13747
25.2M → Finish39129-90#13747#13837
TOTALS9314944-4017
📊

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