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BOSTON MARATHON 2025

Grace Frerichs

Bib: 28241•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:31
Rank: #12869
Start → 5K
23:31 | 7:34/mi
10K· 6.21 mi
47:14
Rank: #13066 (-197)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:16
Rank: #13293 (-227)
10K → 15K
24:02 | 7:44/mi
20K· 12.43 mi
1:35:44
Rank: #13404 (-111)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:41:03
Rank: #13439 (-35)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:00:22
Rank: #13422 (+17)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:26:42
Rank: #13638 (-216)
25K → 30K
26:20 | 8:29/mi
20M
2:38:22
Rank: #13666 (-28)
30K → 20M
11:40 | 8:35/mi
21M
2:47:19
Rank: #13611 (+55)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:53:58
Rank: #13770 (-159)
21M → 35K
6:39 | 8:53/mi
23M
3:05:05
Rank: #13903 (-133)
35K → 23M
11:07 | 8:53/mi
24M
3:13:48
Rank: #14027 (-124)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:21:15
Rank: #14023 (+4)
24M → 40K
7:27 | 8:43/mi
25.2M
3:24:20
Rank: #13956 (+67)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:32:17
Rank: #13834 (+122)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:03
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:51:14
Pace8:29 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1823:317:3423:31
7:34
-
10K
6.21 mi12:04:0147:147:3623:43
7:38
+0:04
15K
9.32 mi12:28:031:11:167:3924:02
7:44
+0:06
20K
12.43 mi12:52:311:35:447:4224:28
7:53
+0:09
Half
13.11 mi12:57:501:41:037:425:19
7:48
-0:05
25K
15.53 mi13:17:092:00:227:4519:19
7:58
+0:10
30K
18.64 mi13:43:292:26:427:5226:20
8:29
+0:31
20M
20.00 mi13:55:092:38:227:5511:40
8:35
+0:06
21M
21.00 mi14:04:062:47:197:588:57
8:57
+0:22
35K
21.75 mi14:10:452:53:588:006:39
8:53
-0:04
23M
23.00 mi14:21:523:05:058:0311:07
8:53
0:00
24M
24.00 mi14:30:353:13:488:058:43
8:43
-0:10
40K
24.85 mi14:38:023:21:158:067:27
8:43
0:00
25.2M
25.20 mi14:41:073:24:208:073:05
8:56
+0:13
Finish
26.22 mi14:49:043:32:178:067:57
7:48
-1:08

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

7:34 /mi

Average Pace

8:06 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:19

60% of race

Time at Steady Pace

1:11:56

34% of race

Time at Slower Pace

12:02

6% of race

Average Pace: 8:06 /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 mi11:40:1823:317:3423:31
7:34
#12869
10K
6.21 mi12:04:0147:147:3623:43
7:38
#13066
15K
9.32 mi12:28:031:11:167:3924:02
7:44
#13293
20K
12.43 mi12:52:311:35:447:4224:28
7:53
#13404
Half
13.11 mi12:57:501:41:037:425:19
7:48
#13439
25K
15.53 mi13:17:092:00:227:4519:19
7:58
#13422
30K
18.64 mi13:43:292:26:427:5226:20
8:29
#13638
20M
20.00 mi13:55:092:38:227:5511:40
8:35
#13666
21M
21.00 mi14:04:062:47:197:588:57
8:57
#13611
35K
21.75 mi14:10:452:53:588:006:39
8:53
#13770
23M
23.00 mi14:21:523:05:058:0311:07
8:53
#13903
24M
24.00 mi14:30:353:13:488:058:43
8:43
#14027
40K
24.85 mi14:38:023:21:158:067:27
8:43
#14023
25.2M
25.20 mi14:41:073:24:208:073:05
8:56
#13956
Finish
26.22 mi14:49:043:32:178:067:57
7:48
#13834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128693252325213832(Top 49%)3918(Top 32%)3918(Top 72%)
10K6.21 mi3.10 mi13066-1973382-1303382-13013327(Top 47%)3570(Top 29%)3570(Top 65%)
15K9.32 mi3.11 mi13293-2273569-1873569-18713832(Top 49%)3918(Top 32%)3918(Top 72%)
20K12.43 mi3.11 mi13404-1113660-913660-9113901(Top 49%)4038(Top 33%)4038(Top 74%)
Half13.11 mi0.68 mi13439-353695-353695-3514261(Top 50%)4212(Top 34%)4212(Top 77%)
25K15.53 mi2.42 mi13422+173724-293724-2913647(Top 48%)4033(Top 33%)4033(Top 74%)
30K18.64 mi3.11 mi13638-2163903-1793903-17914605(Top 51%)4682(Top 38%)4682(Top 86%)
20M20.00 mi1.36 mi13666-283946-433946-4314351(Top 51%)4691(Top 38%)4691(Top 86%)
21M21.00 mi1.00 mi13611+553956-103956-1013236(Top 47%)4235(Top 35%)4235(Top 77%)
35K21.75 mi0.75 mi13770-1594064-1084064-10817708(Top 62%)6732(Top 55%)6732(Top 123%)
23M23.00 mi1.25 mi13903-1334167-1034167-10315559(Top 55%)5637(Top 46%)5637(Top 103%)
24M24.00 mi1.00 mi14027-1244280-1134280-11315840(Top 56%)5830(Top 48%)5830(Top 107%)
40K24.85 mi0.85 mi14023+44289-94289-914705(Top 52%)5359(Top 44%)5359(Top 98%)
25.2M25.20 mi0.35 mi13956+674265+244265+2411550(Top 41%)3787(Top 31%)3787(Top 69%)
Finish26.22 mi1.02 mi13834+1224229+364229+3611486(Top 40%)3703(Top 30%)3703(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13832

Females

3918

F18-39

3918

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13327

Females

3570

F18-39

3570

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13832

Females

3918

F18-39

3918

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13901

Females

4038

F18-39

4038

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14261

Females

4212

F18-39

4212

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13647

Females

4033

F18-39

4033

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14605

Females

4682

F18-39

4682

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14351

Females

4691

F18-39

4691

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13236

Females

4235

F18-39

4235

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17708

Females

6732

F18-39

6732

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15559

Females

5637

F18-39

5637

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15840

Females

5830

F18-39

5830

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14705

Females

5359

F18-39

5359

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11550

Females

3787

F18-39

3787

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11486

Females

3703

F18-39

3703

Passing Analysis

Category:
Athletes Passed
1560
Passed By
2525
Net Change
-965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12869
5K → 10K193390-197#12869#13066
10K → 15K124351-227#13066#13293
15K → 20K170281-111#13293#13404
20K → Half2762-35#13404#13439
Half → 25K168151+17#13439#13422
25K → 30K187403-216#13422#13638
30K → 20M117145-28#13638#13666
20M → 21M12368+55#13666#13611
21M → 35K24183-159#13611#13770
35K → 23M74207-133#13770#13903
23M → 24M56180-124#13903#14027
24M → 40K7470+4#14027#14023
40K → 25.2M8114+67#14023#13956
25.2M → Finish14220+122#13956#13834
TOTALS15602525-965
📊

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