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BOSTON MARATHON 2025

Janine Grinage

Bib: 16812•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F55-59)
#0 / 994
Top 16%
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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:53
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:44:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:50:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:10:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:41:16
↑ 181↓ 1480.2%
20M
8:23/mi
2:52:39
↑ 64↓ 500.2%
21M
8:51/mi
3:01:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
3:07:27
↑ 17↓ 861.7%
23M
8:12/mi
3:17:43
↑ 23↓ 630.6%
24M
8:03/mi
3:25:46
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:32:44
↓ 200.3%
25.2M
8:51/mi
3:35:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:43:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:53:21
Pace8:39 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:3626:188:2826:18
8:28
-
10K
6.21 mi11:25:5752:398:2826:21
8:29
+0:01
15K
9.32 mi11:52:111:18:538:2826:14
8:27
-0:02
20K
12.43 mi12:18:051:44:478:2625:54
8:20
-0:07
Half
13.11 mi12:23:461:50:288:265:41
8:20
0:00
25K
15.53 mi12:44:022:10:448:2520:16
8:22
+0:02
30K
18.64 mi13:14:342:41:168:3930:32
9:50
+1:28
20M
20.00 mi13:25:572:52:398:3811:23
8:23
-1:27
21M
21.00 mi13:34:483:01:308:398:51
8:51
+0:28
35K
21.75 mi13:40:453:07:278:375:57
7:57
-0:54
23M
23.00 mi13:51:013:17:438:3610:16
8:12
+0:15
24M
24.00 mi13:59:043:25:468:348:03
8:03
-0:09
40K
24.85 mi14:06:023:32:448:346:58
8:09
+0:06
25.2M
25.20 mi14:09:053:35:478:343:03
8:51
+0:42
Finish
26.22 mi14:17:073:43:498:338:02
7:53
-0:58

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

7:53 /mi

Average Pace

8:33 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:02

10% of race

Time at Steady Pace

2:39:21

71% of race

Time at Slower Pace

42:26

19% of race

Average Pace: 8:32 /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 mi10:59:3626:188:2826:18
8:28
#19678
10K
6.21 mi11:25:5752:398:2826:21
8:29
#19667
15K
9.32 mi11:52:111:18:538:2826:14
8:27
#19443
20K
12.43 mi12:18:051:44:478:2625:54
8:20
#18840
Half
13.11 mi12:23:461:50:288:265:41
8:20
#18822
25K
15.53 mi12:44:022:10:448:2520:16
8:22
#18369
30K
18.64 mi13:14:342:41:168:3930:32
9:50
#19050
20M
20.00 mi13:25:572:52:398:3811:23
8:23
#18611
21M
21.00 mi13:34:483:01:308:398:51
8:51
#18269
35K
21.75 mi13:40:453:07:278:375:57
7:57
#18052
23M
23.00 mi13:51:013:17:438:3610:16
8:12
#17641
24M
24.00 mi13:59:043:25:468:348:03
8:03
#17376
40K
24.85 mi14:06:023:32:448:346:58
8:09
#17141
25.2M
25.20 mi14:09:053:35:478:343:03
8:51
#17039
Finish
26.22 mi14:17:073:43:498:338:02
7:53
#16846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi196787308730819002(Top 67%)6900(Top 56%)6900(Top 694%)
10K6.21 mi3.10 mi19667+117280+287280+2819691(Top 69%)7295(Top 60%)7295(Top 734%)
15K9.32 mi3.11 mi19443+2247148+1327148+13219002(Top 67%)6900(Top 56%)6900(Top 694%)
20K12.43 mi3.11 mi18840+6036814+3346814+33417150(Top 60%)5856(Top 48%)5856(Top 589%)
Half13.11 mi0.68 mi18822+186806+86806+818139(Top 64%)6389(Top 52%)6389(Top 643%)
25K15.53 mi2.42 mi18369+4536563+2436563+24316305(Top 57%)5489(Top 45%)5489(Top 552%)
30K18.64 mi3.11 mi19050-6816989-4266989-42621081(Top 74%)8273(Top 68%)8273(Top 832%)
20M20.00 mi1.36 mi18611+4396750+2396750+23913034(Top 46%)4005(Top 33%)4005(Top 403%)
21M21.00 mi1.00 mi18269+3426593+1576593+15712654(Top 45%)3964(Top 32%)3964(Top 399%)
35K21.75 mi0.75 mi18052+2176477+1166477+11612030(Top 42%)3687(Top 30%)3687(Top 371%)
23M23.00 mi1.25 mi17641+4116302+1756302+17511397(Top 40%)3443(Top 28%)3443(Top 346%)
24M24.00 mi1.00 mi17376+2656177+1256177+12511636(Top 41%)3651(Top 30%)3651(Top 367%)
40K24.85 mi0.85 mi17141+2356067+1106067+11011284(Top 40%)3568(Top 29%)3568(Top 359%)
25.2M25.20 mi0.35 mi17039+1026025+426025+4211058(Top 39%)3552(Top 29%)3552(Top 357%)
Finish26.22 mi1.02 mi16846+1935932+935932+9312106(Top 43%)3994(Top 33%)3994(Top 402%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19002

Females

6900

F55-59

6900

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19691

Females

7295

F55-59

7295

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19002

Females

6900

F55-59

6900

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17150

Females

5856

F55-59

5856

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18139

Females

6389

F55-59

6389

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16305

Females

5489

F55-59

5489

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21081

Females

8273

F55-59

8273

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13034

Females

4005

F55-59

4005

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12654

Females

3964

F55-59

3964

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

12030

Females

3687

F55-59

3687

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11397

Females

3443

F55-59

3443

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11636

Females

3651

F55-59

3651

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11284

Females

3568

F55-59

3568

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11058

Females

3552

F55-59

3552

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12106

Females

3994

F55-59

3994

Passing Analysis

Category:
Athletes Passed
4004
Passed By
1172
Net Change
+2832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19678
5K → 10K260249+11#19678#19667
10K → 15K31995+224#19667#19443
15K → 20K61613+603#19443#18840
20K → Half4224+18#18840#18822
Half → 25K4552+453#18822#18369
25K → 30K85766-681#18369#19050
30K → 20M4390+439#19050#18611
20M → 21M3475+342#18611#18269
21M → 35K2170+217#18269#18052
35K → 23M4121+411#18052#17641
23M → 24M2661+265#17641#17376
24M → 40K2372+235#17376#17141
40K → 25.2M1042+102#17141#17039
25.2M → Finish20512+193#17039#16846
TOTALS40041172+2832
📊

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