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BOSTON MARATHON 2025

Olivia Grohe

Bib: 17896•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:06
Rank: #11668
Start → 5K
23:06 | 7:26/mi
10K· 6.21 mi
45:30
Rank: #10534 (+1134)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:43
Rank: #9903 (+631)
10K → 15K
22:13 | 7:09/mi
20K· 12.43 mi
1:30:11
Rank: #9478 (+425)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:35:03
Rank: #9410 (+68)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:52:37
Rank: #9128 (+282)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:15:47
Rank: #8698 (+430)
25K → 30K
23:10 | 7:27/mi
20M
2:26:17
Rank: #8651 (+47)
30K → 20M
10:30 | 7:44/mi
21M
2:34:30
Rank: #8618 (+33)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:40:25
Rank: #8708 (-90)
21M → 35K
5:55 | 7:55/mi
23M
2:50:45
Rank: #8852 (-144)
35K → 23M
10:20 | 8:15/mi
24M
2:58:57
Rank: #8999 (-147)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:06:11
Rank: #9168 (-169)
24M → 40K
7:14 | 8:28/mi
25.2M
3:09:20
Rank: #9212 (-44)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:17:19
Rank: #9305 (-93)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4123:067:2623:06
7:26
-
10K
6.21 mi11:36:0545:307:1922:24
7:13
-0:13
15K
9.32 mi11:58:181:07:437:1622:13
7:09
-0:04
20K
12.43 mi12:20:461:30:117:1522:28
7:14
+0:05
Half
13.11 mi12:25:381:35:037:154:52
7:08
-0:06
25K
15.53 mi12:43:121:52:377:1517:34
7:15
+0:07
30K
18.64 mi13:06:222:15:477:1723:10
7:27
+0:12
20M
20.00 mi13:16:522:26:177:1910:30
7:44
+0:17
21M
21.00 mi13:25:052:34:307:218:13
8:13
+0:29
35K
21.75 mi13:31:002:40:257:235:55
7:55
-0:18
23M
23.00 mi13:41:202:50:457:2510:20
8:15
+0:20
24M
24.00 mi13:49:322:58:577:278:12
8:12
-0:03
40K
24.85 mi13:56:463:06:117:297:14
8:28
+0:16
25.2M
25.20 mi13:59:553:09:207:313:09
9:08
+0:40
Finish
26.22 mi14:07:543:17:197:327:59
7:50
-1:18

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

7:08 /mi

Average Pace

7:32 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:37

57% of race

Time at Steady Pace

47:34

24% of race

Time at Slower Pace

37:08

19% of race

Average Pace: 7:32 /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 mi11:13:4123:067:2623:06
7:26
#11668
10K
6.21 mi11:36:0545:307:1922:24
7:13
#10534
15K
9.32 mi11:58:181:07:437:1622:13
7:09
#9903
20K
12.43 mi12:20:461:30:117:1522:28
7:14
#9478
Half
13.11 mi12:25:381:35:037:154:52
7:08
#9410
25K
15.53 mi12:43:121:52:377:1517:34
7:15
#9128
30K
18.64 mi13:06:222:15:477:1723:10
7:27
#8698
20M
20.00 mi13:16:522:26:177:1910:30
7:44
#8651
21M
21.00 mi13:25:052:34:307:218:13
8:13
#8618
35K
21.75 mi13:31:002:40:257:235:55
7:55
#8708
23M
23.00 mi13:41:202:50:457:2510:20
8:15
#8852
24M
24.00 mi13:49:322:58:577:278:12
8:12
#8999
40K
24.85 mi13:56:463:06:117:297:14
8:28
#9168
25.2M
25.20 mi13:59:553:09:207:313:09
9:08
#9212
Finish
26.22 mi14:07:543:17:197:327:59
7:50
#9305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11668261426148726(Top 31%)1317(Top 11%)1317(Top 24%)
10K6.21 mi3.10 mi10534+11342069+5452069+5459598(Top 34%)1643(Top 13%)1643(Top 30%)
15K9.32 mi3.11 mi9903+6311798+2711798+2718726(Top 31%)1317(Top 11%)1317(Top 24%)
20K12.43 mi3.11 mi9478+4251629+1691629+1698483(Top 30%)1311(Top 11%)1311(Top 24%)
Half13.11 mi0.68 mi9410+681608+211608+218630(Top 30%)1351(Top 11%)1351(Top 25%)
25K15.53 mi2.42 mi9128+2821507+1011507+1017974(Top 28%)1206(Top 10%)1206(Top 22%)
30K18.64 mi3.11 mi8698+4301372+1351372+1357454(Top 26%)1191(Top 10%)1191(Top 22%)
20M20.00 mi1.36 mi8651+471400-281400-288576(Top 30%)1786(Top 15%)1786(Top 33%)
21M21.00 mi1.00 mi8618+331416-161416-168703(Top 31%)2030(Top 17%)2030(Top 37%)
35K21.75 mi0.75 mi8708-901472-561472-5611637(Top 41%)3439(Top 28%)3439(Top 63%)
23M23.00 mi1.25 mi8852-1441577-1051577-10511735(Top 41%)3595(Top 29%)3595(Top 66%)
24M24.00 mi1.00 mi8999-1471673-961673-9612564(Top 44%)4075(Top 33%)4075(Top 75%)
40K24.85 mi0.85 mi9168-1691785-1121785-11213184(Top 46%)4529(Top 37%)4529(Top 83%)
25.2M25.20 mi0.35 mi9212-441823-381823-3812567(Top 44%)4246(Top 35%)4246(Top 78%)
Finish26.22 mi1.02 mi9305-931897-741897-7411690(Top 41%)3781(Top 31%)3781(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8726

Females

1317

F18-39

1317

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9598

Females

1643

F18-39

1643

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8726

Females

1317

F18-39

1317

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8483

Females

1311

F18-39

1311

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8630

Females

1351

F18-39

1351

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7974

Females

1206

F18-39

1206

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7454

Females

1191

F18-39

1191

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8576

Females

1786

F18-39

1786

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8703

Females

2030

F18-39

2030

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11637

Females

3439

F18-39

3439

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11735

Females

3595

F18-39

3595

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12564

Females

4075

F18-39

4075

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13184

Females

4529

F18-39

4529

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12567

Females

4246

F18-39

4246

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11690

Females

3781

F18-39

3781

Passing Analysis

Category:
Athletes Passed
3580*
Passed By
1217
Net Change
+2363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11668
5K → 10K115723+1134#11668#10534
10K → 15K640*9+631#10534#9903
15K → 20K44217+425#9903#9478
20K → Half746+68#9478#9410
Half → 25K30624+282#9410#9128
25K → 30K46838+430#9128#8698
30K → 20M11972+47#8698#8651
20M → 21M11178+33#8651#8618
21M → 35K36126-90#8618#8708
35K → 23M82226-144#8708#8852
23M → 24M33180-147#8852#8999
24M → 40K45214-169#8999#9168
40K → 25.2M2569-44#9168#9212
25.2M → Finish42135-93#9212#9305
TOTALS3580*1217+2363

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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