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BOSTON MARATHON 2025

Hannah Jennings

Bib: 23123•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F45-49)
#0 / 1813
Top 29%
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
7:56/mi
24:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:30
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:43:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:04:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:31:03
↑ 181↓ 1480.2%
20M
8:54/mi
2:43:09
↑ 64↓ 500.2%
21M
9:15/mi
2:52:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:58:35
↑ 17↓ 861.7%
23M
8:38/mi
3:09:23
↑ 23↓ 630.6%
24M
7:51/mi
3:17:14
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:24:25
↓ 200.3%
25.2M
8:56/mi
3:27:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:35:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:52:26
Pace8:35 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5424:387:5624:38
7:56
-
10K
6.21 mi11:46:2249:067:5424:28
7:53
-0:03
15K
9.32 mi12:10:461:13:307:5324:24
7:51
-0:02
20K
12.43 mi12:35:111:37:557:5324:25
7:52
+0:01
Half
13.11 mi12:40:241:43:087:525:13
7:39
-0:13
25K
15.53 mi13:01:382:04:228:0021:14
8:45
+1:06
30K
18.64 mi13:28:192:31:038:0626:41
8:35
-0:10
20M
20.00 mi13:40:252:43:098:0912:06
8:54
+0:19
21M
21.00 mi13:49:402:52:248:139:15
9:15
+0:21
35K
21.75 mi13:55:512:58:358:136:11
8:16
-0:59
23M
23.00 mi14:06:393:09:238:1410:48
8:38
+0:22
24M
24.00 mi14:14:303:17:148:137:51
7:51
-0:47
40K
24.85 mi14:21:413:24:258:137:11
8:24
+0:33
25.2M
25.20 mi14:24:463:27:308:143:05
8:56
+0:32
Finish
26.22 mi14:32:503:35:348:148:04
7:55
-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

7:39 /mi

Average Pace

8:14 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:03

55% of race

Time at Steady Pace

13:22

6% of race

Time at Slower Pace

1:23:09

39% of race

Average Pace: 8:13 /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 mi11:21:5424:387:5624:38
7:56
#16006
10K
6.21 mi11:46:2249:067:5424:28
7:53
#15697
15K
9.32 mi12:10:461:13:307:5324:24
7:51
#15379
20K
12.43 mi12:35:111:37:557:5324:25
7:52
#14908
Half
13.11 mi12:40:241:43:087:525:13
7:39
#14810
25K
15.53 mi13:01:382:04:228:0021:14
8:45
#15596
30K
18.64 mi13:28:192:31:038:0626:41
8:35
#15531
20M
20.00 mi13:40:252:43:098:0912:06
8:54
#15533
21M
21.00 mi13:49:402:52:248:139:15
9:15
#15460
35K
21.75 mi13:55:512:58:358:136:11
8:16
#15392
23M
23.00 mi14:06:393:09:238:1410:48
8:38
#15277
24M
24.00 mi14:14:303:17:148:137:51
7:51
#15010
40K
24.85 mi14:21:413:24:258:137:11
8:24
#14911
25.2M
25.20 mi14:24:463:27:308:143:05
8:56
#14840
Finish
26.22 mi14:32:503:35:348:148:04
7:55
#14716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160065154515414858(Top 52%)4504(Top 37%)4504(Top 248%)
10K6.21 mi3.10 mi15697+3094957+1974957+19715495(Top 55%)4833(Top 40%)4833(Top 267%)
15K9.32 mi3.11 mi15379+3184775+1824775+18214858(Top 52%)4504(Top 37%)4504(Top 248%)
20K12.43 mi3.11 mi14908+4714537+2384537+23813770(Top 48%)3969(Top 32%)3969(Top 219%)
Half13.11 mi0.68 mi14810+984480+574480+5713068(Top 46%)3554(Top 29%)3554(Top 196%)
25K15.53 mi2.42 mi15596-7864940-4604940-46018710(Top 66%)6814(Top 56%)6814(Top 376%)
30K18.64 mi3.11 mi15531+654963-234963-2315317(Top 54%)5081(Top 42%)5081(Top 280%)
20M20.00 mi1.36 mi15533-24990-274990-2716262(Top 57%)5744(Top 47%)5744(Top 317%)
21M21.00 mi1.00 mi15460+734991-14991-114901(Top 52%)5117(Top 42%)5117(Top 282%)
35K21.75 mi0.75 mi15392+684968+234968+2314078(Top 50%)4714(Top 39%)4714(Top 260%)
23M23.00 mi1.25 mi15277+1154941+274941+2714107(Top 50%)4851(Top 40%)4851(Top 268%)
24M24.00 mi1.00 mi15010+2674807+1344807+13410253(Top 36%)2948(Top 24%)2948(Top 163%)
40K24.85 mi0.85 mi14911+994777+304777+3012836(Top 45%)4356(Top 36%)4356(Top 240%)
25.2M25.20 mi0.35 mi14840+714745+324745+3211561(Top 41%)3798(Top 31%)3798(Top 209%)
Finish26.22 mi1.02 mi14716+1244704+414704+4112337(Top 43%)4107(Top 34%)4107(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14858

Females

4504

F45-49

4504

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15495

Females

4833

F45-49

4833

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14858

Females

4504

F45-49

4504

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13770

Females

3969

F45-49

3969

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13068

Females

3554

F45-49

3554

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18710

Females

6814

F45-49

6814

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15317

Females

5081

F45-49

5081

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16262

Females

5744

F45-49

5744

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14901

Females

5117

F45-49

5117

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14078

Females

4714

F45-49

4714

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14107

Females

4851

F45-49

4851

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10253

Females

2948

F45-49

2948

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12836

Females

4356

F45-49

4356

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11561

Females

3798

F45-49

3798

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12337

Females

4107

F45-49

4107

Passing Analysis

Category:
Athletes Passed
2915
Passed By
1625
Net Change
+1290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16006
5K → 10K494185+309#16006#15697
10K → 15K38466+318#15697#15379
15K → 20K49019+471#15379#14908
20K → Half1046+98#14908#14810
Half → 25K47833-786#14810#15596
25K → 30K272207+65#15596#15531
30K → 20M116118-2#15531#15533
20M → 21M14673+73#15533#15460
21M → 35K9527+68#15460#15392
35K → 23M16247+115#15392#15277
23M → 24M2670+267#15277#15010
24M → 40K11920+99#15010#14911
40K → 25.2M776+71#14911#14840
25.2M → Finish14218+124#14840#14716
TOTALS29151625+1290
📊

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