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BOSTON MARATHON 2025

Gretchen Hurlbutt

Bib: 15677•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Female)
#0 / 12228
Top 3%
Masters (Masters Women)
#0 / 6759
Top 0.6%
Division (F45-49)
#0 / 1813
Top 0.7%
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
7:08/mi
22:10
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
43:38
↑ 79↓ 1380.4%
15K· 9.32 mi
6:41/mi
1:04:24
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:25:14
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:29:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:45:48
↑ 66↓ 880.2%
30K· 18.64 mi
6:49/mi
2:06:58
↑ 181↓ 1480.2%
20M
6:57/mi
2:16:24
↑ 64↓ 500.2%
21M
7:25/mi
2:23:49
↑ 106↓ 241.6%
35K· 21.75 mi
6:38/mi
2:28:47
↑ 17↓ 861.7%
23M
6:53/mi
2:37:24
↑ 23↓ 630.6%
24M
6:38/mi
2:44:02
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:49:51
↓ 200.3%
25.2M
7:29/mi
2:52:26
↑ 13↓ 160.2%
Finish· 26.22 mi
6:28/mi
2:59:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:44
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5622:107:0822:10
7:08
-
10K
6.21 mi11:14:2443:387:0121:28
6:55
-0:13
15K
9.32 mi11:35:101:04:246:5520:46
6:41
-0:14
20K
12.43 mi11:56:001:25:146:5220:50
6:42
+0:01
Half
13.11 mi12:00:301:29:446:514:30
6:36
-0:06
25K
15.53 mi12:16:341:45:486:4916:04
6:38
+0:02
30K
18.64 mi12:37:442:06:586:4921:10
6:49
+0:11
20M
20.00 mi12:47:102:16:246:499:26
6:57
+0:08
21M
21.00 mi12:54:352:23:496:517:25
7:25
+0:28
35K
21.75 mi12:59:332:28:476:504:58
6:38
-0:47
23M
23.00 mi13:08:102:37:246:518:37
6:53
+0:15
24M
24.00 mi13:14:482:44:026:506:38
6:38
-0:15
40K
24.85 mi13:20:372:49:516:505:49
6:48
+0:10
25.2M
25.20 mi13:23:122:52:266:512:35
7:29
+0:41
Finish
26.22 mi13:29:472:59:016:506:35
6:28
-1:01

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

6:28 /mi

Average Pace

6:50 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:51

82% of race

Time at Steady Pace

32:10

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:52:5622:107:0822:10
7:08
#8926
10K
6.21 mi11:14:2443:387:0121:28
6:55
#8039
15K
9.32 mi11:35:101:04:246:5520:46
6:41
#7160
20K
12.43 mi11:56:001:25:146:5220:50
6:42
#6487
Half
13.11 mi12:00:301:29:446:514:30
6:36
#6372
25K
15.53 mi12:16:341:45:486:4916:04
6:38
#5814
30K
18.64 mi12:37:442:06:586:4921:10
6:49
#5262
20M
20.00 mi12:47:102:16:246:499:26
6:57
#5103
21M
21.00 mi12:54:352:23:496:517:25
7:25
#5014
35K
21.75 mi12:59:332:28:476:504:58
6:38
#4898
23M
23.00 mi13:08:102:37:246:518:37
6:53
#4735
24M
24.00 mi13:14:482:44:026:506:38
6:38
#4584
40K
24.85 mi13:20:372:49:516:505:49
6:48
#4493
25.2M
25.20 mi13:23:122:52:266:512:35
7:29
#4458
Finish
26.22 mi13:29:472:59:016:506:35
6:28
#4354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8926133513354954(Top 17%)330(Top 3%)330(Top 18%)
10K6.21 mi3.10 mi8039+8871004+3311004+3317310(Top 26%)775(Top 6%)775(Top 43%)
15K9.32 mi3.11 mi7160+879737+267737+2674954(Top 17%)330(Top 3%)330(Top 18%)
20K12.43 mi3.11 mi6487+673605+132605+1324497(Top 16%)298(Top 2%)298(Top 16%)
Half13.11 mi0.68 mi6372+115585+20585+204461(Top 16%)280(Top 2%)280(Top 15%)
25K15.53 mi2.42 mi5814+558490+95490+953653(Top 13%)209(Top 2%)209(Top 12%)
30K18.64 mi3.11 mi5262+552416+74416+743540(Top 12%)242(Top 2%)242(Top 13%)
20M20.00 mi1.36 mi5103+159396+20396+203796(Top 13%)292(Top 2%)292(Top 16%)
21M21.00 mi1.00 mi5014+89388+8388+84224(Top 15%)412(Top 3%)412(Top 23%)
35K21.75 mi0.75 mi4898+116378+10378+103215(Top 11%)264(Top 2%)264(Top 15%)
23M23.00 mi1.25 mi4735+163366+12366+123153(Top 11%)270(Top 2%)270(Top 15%)
24M24.00 mi1.00 mi4584+151353+13353+132678(Top 9%)213(Top 2%)213(Top 12%)
40K24.85 mi0.85 mi4493+91349+4349+42901(Top 10%)273(Top 2%)273(Top 15%)
25.2M25.20 mi0.35 mi4458+35351-2351-23449(Top 12%)416(Top 3%)416(Top 23%)
Finish26.22 mi1.02 mi4354+104336+15336+152659(Top 9%)249(Top 2%)249(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4954

Females

330

F45-49

330

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7310

Females

775

F45-49

775

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4954

Females

330

F45-49

330

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4497

Females

298

F45-49

298

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4461

Females

280

F45-49

280

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3653

Females

209

F45-49

209

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3540

Females

242

F45-49

242

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3796

Females

292

F45-49

292

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4224

Females

412

F45-49

412

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3215

Females

264

F45-49

264

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3153

Females

270

F45-49

270

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2678

Females

213

F45-49

213

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2901

Females

273

F45-49

273

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3449

Females

416

F45-49

416

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2659

Females

249

F45-49

249

Passing Analysis

Category:
Athletes Passed
4681
Passed By
109
Net Change
+4572
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8926
5K → 10K90518+887#8926#8039
10K → 15K8812+879#8039#7160
15K → 20K6741+673#7160#6487
20K → Half1150+115#6487#6372
Half → 25K5591+558#6372#5814
25K → 30K5542+552#5814#5262
30K → 20M17213+159#5262#5103
20M → 21M12132+89#5103#5014
21M → 35K1182+116#5014#4898
35K → 23M17613+163#4898#4735
23M → 24M1521+151#4735#4584
24M → 40K987+91#4584#4493
40K → 25.2M4510+35#4493#4458
25.2M → Finish1117+104#4458#4354
TOTALS4681109+4572
📊

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