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BOSTON MARATHON 2025

Emily Gruenewald

Bib: 22507•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #20155
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
53:18
Rank: #20280 (-125)
5K → 10K
26:45 | 8:37/mi
15K· 9.32 mi
1:20:49
Rank: #20583 (-303)
10K → 15K
27:31 | 8:51/mi
20K· 12.43 mi
1:48:03
Rank: #20378 (+205)
15K → 20K
27:14 | 8:46/mi
Half· 13.11 mi
1:53:56
Rank: #20353 (+25)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:15:25
Rank: #20160 (+193)
Half → 25K
21:29 | 8:52/mi
30K· 18.64 mi
2:44:18
Rank: #19938 (+222)
25K → 30K
28:53 | 9:18/mi
20M
2:57:10
Rank: #19872 (+66)
30K → 20M
12:52 | 9:28/mi
21M
3:07:27
Rank: #19833 (+39)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:14:23
Rank: #19815 (+18)
21M → 35K
6:56 | 9:16/mi
23M
3:26:42
Rank: #19848 (-33)
35K → 23M
12:19 | 9:50/mi
24M
3:36:07
Rank: #19827 (+21)
23M → 24M
9:25 | 9:25/mi
40K· 24.85 mi
3:44:11
Rank: #19777 (+50)
24M → 40K
8:04 | 9:26/mi
25.2M
3:47:52
Rank: #19776 (+1)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:57:12
Rank: #19784 (-8)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:56
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:03:16
Pace9:24 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1526:338:3326:33
8:33
-
10K
6.21 mi11:53:0053:188:3526:45
8:37
+0:04
15K
9.32 mi12:20:311:20:498:4027:31
8:51
+0:14
20K
12.43 mi12:47:451:48:038:4227:14
8:46
-0:05
Half
13.11 mi12:53:381:53:568:415:53
8:37
-0:09
25K
15.53 mi13:15:072:15:258:4321:29
8:52
+0:15
30K
18.64 mi13:44:002:44:188:4928:53
9:18
+0:26
20M
20.00 mi13:56:522:57:108:5112:52
9:28
+0:10
21M
21.00 mi14:07:093:07:278:5610:17
10:17
+0:49
35K
21.75 mi14:14:053:14:238:566:56
9:16
-1:01
23M
23.00 mi14:26:243:26:428:5912:19
9:50
+0:34
24M
24.00 mi14:35:493:36:079:009:25
9:25
-0:25
40K
24.85 mi14:43:533:44:119:018:04
9:26
+0:01
25.2M
25.20 mi14:47:343:47:529:033:41
10:41
+1:15
Finish
26.22 mi14:56:543:57:129:039:20
9:10
-1:31

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

8:33 /mi

Average Pace

9:03 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:25

57% of race

Time at Steady Pace

1:15:30

32% of race

Time at Slower Pace

26:17

11% of race

Average Pace: 9:03 /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 mi11:26:1526:338:3326:33
8:33
#20155
10K
6.21 mi11:53:0053:188:3526:45
8:37
#20280
15K
9.32 mi12:20:311:20:498:4027:31
8:51
#20583
20K
12.43 mi12:47:451:48:038:4227:14
8:46
#20378
Half
13.11 mi12:53:381:53:568:415:53
8:37
#20353
25K
15.53 mi13:15:072:15:258:4321:29
8:52
#20160
30K
18.64 mi13:44:002:44:188:4928:53
9:18
#19938
20M
20.00 mi13:56:522:57:108:5112:52
9:28
#19872
21M
21.00 mi14:07:093:07:278:5610:17
10:17
#19833
35K
21.75 mi14:14:053:14:238:566:56
9:16
#19815
23M
23.00 mi14:26:243:26:428:5912:19
9:50
#19848
24M
24.00 mi14:35:493:36:079:009:25
9:25
#19827
40K
24.85 mi14:43:533:44:119:018:04
9:26
#19777
25.2M
25.20 mi14:47:343:47:529:033:41
10:41
#19776
Finish
26.22 mi14:56:543:57:129:039:20
9:10
#19784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201557595759521307(Top 75%)8171(Top 67%)8171(Top 451%)
10K6.21 mi3.10 mi20280-1257640-457640-4520394(Top 72%)7688(Top 63%)7688(Top 424%)
15K9.32 mi3.11 mi20583-3037800-1607800-16021307(Top 75%)8171(Top 67%)8171(Top 451%)
20K12.43 mi3.11 mi20378+2057692+1087692+10819752(Top 70%)7349(Top 60%)7349(Top 405%)
Half13.11 mi0.68 mi20353+257675+177675+1719878(Top 70%)7416(Top 61%)7416(Top 409%)
25K15.53 mi2.42 mi20160+1937581+947581+9419231(Top 68%)7102(Top 58%)7102(Top 392%)
30K18.64 mi3.11 mi19938+2227491+907491+9019087(Top 67%)7169(Top 59%)7169(Top 395%)
20M20.00 mi1.36 mi19872+667477+147477+1419012(Top 67%)7269(Top 59%)7269(Top 401%)
21M21.00 mi1.00 mi19833+397478-17478-119276(Top 68%)7486(Top 61%)7486(Top 413%)
35K21.75 mi0.75 mi19815+187484-67484-619408(Top 68%)7682(Top 63%)7682(Top 424%)
23M23.00 mi1.25 mi19848-337539-557539-5519902(Top 70%)8006(Top 65%)8006(Top 442%)
24M24.00 mi1.00 mi19827+217548-97548-919273(Top 68%)7700(Top 63%)7700(Top 425%)
40K24.85 mi0.85 mi19777+507541+77541+718397(Top 65%)7345(Top 60%)7345(Top 405%)
25.2M25.20 mi0.35 mi19776+17542-17542-119577(Top 69%)7964(Top 65%)7964(Top 439%)
Finish26.22 mi1.02 mi19784-87563-217563-2119745(Top 70%)8015(Top 66%)8015(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21307

Females

8171

F45-49

8171

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20394

Females

7688

F45-49

7688

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21307

Females

8171

F45-49

8171

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19752

Females

7349

F45-49

7349

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19878

Females

7416

F45-49

7416

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19231

Females

7102

F45-49

7102

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19087

Females

7169

F45-49

7169

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19012

Females

7269

F45-49

7269

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19276

Females

7486

F45-49

7486

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19408

Females

7682

F45-49

7682

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19902

Females

8006

F45-49

8006

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19273

Females

7700

F45-49

7700

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18397

Females

7345

F45-49

7345

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19577

Females

7964

F45-49

7964

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19745

Females

8015

F45-49

8015

Passing Analysis

Category:
Athletes Passed
1884
Passed By
1513
Net Change
+371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20155
5K → 10K217342-125#20155#20280
10K → 15K105408-303#20280#20583
15K → 20K28782+205#20583#20378
20K → Half4621+25#20378#20353
Half → 25K26067+193#20353#20160
25K → 30K338116+222#20160#19938
30K → 20M14377+66#19938#19872
20M → 21M10970+39#19872#19833
21M → 35K5638+18#19833#19815
35K → 23M81114-33#19815#19848
23M → 24M7958+21#19848#19827
24M → 40K8232+50#19827#19777
40K → 25.2M2524+1#19777#19776
25.2M → Finish5664-8#19776#19784
TOTALS18841513+371
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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