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BOSTON MARATHON 2025

Erin Gillis

Bib: 30913•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
28:16
Rank: #22849
Start → 5K
28:16 | 9:06/mi
10K· 6.21 mi
55:33
Rank: #22162 (+687)
5K → 10K
27:17 | 8:47/mi
15K· 9.32 mi
1:23:12
Rank: #21947 (+215)
10K → 15K
27:39 | 8:54/mi
20K· 12.43 mi
1:51:45
Rank: #21904 (+43)
15K → 20K
28:33 | 9:11/mi
Half· 13.11 mi
1:58:01
Rank: #21939 (-35)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:21:32
Rank: #22047 (-108)
Half → 25K
23:31 | 9:42/mi
30K· 18.64 mi
2:56:59
Rank: #22786 (-739)
25K → 30K
35:27 | 11:25/mi
20M
3:11:50
Rank: #22837 (-51)
30K → 20M
14:51 | 10:56/mi
21M
3:23:39
Rank: #22862 (-25)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:31:40
Rank: #22890 (-28)
21M → 35K
8:01 | 10:43/mi
23M
3:44:37
Rank: #22805 (+85)
35K → 23M
12:57 | 10:21/mi
24M
3:54:15
Rank: #22666 (+139)
23M → 24M
9:38 | 9:38/mi
40K· 24.85 mi
4:03:47
Rank: #22689 (-23)
24M → 40K
9:32 | 11:09/mi
25.2M
4:07:26
Rank: #22651 (+38)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:17:14
Rank: #22625 (+26)
25.2M → Finish
9:48 | 9:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:19:13
Pace10:37 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5328:169:0628:16
9:06
-
10K
6.21 mi12:15:1055:338:5627:17
8:47
-0:19
15K
9.32 mi12:42:491:23:128:5627:39
8:54
+0:07
20K
12.43 mi13:11:221:51:459:0028:33
9:11
+0:17
Half
13.11 mi13:17:381:58:019:006:16
9:11
0:00
25K
15.53 mi13:41:092:21:329:0723:31
9:42
+0:31
30K
18.64 mi14:16:362:56:599:3035:27
11:25
+1:43
20M
20.00 mi14:31:273:11:509:3514:51
10:56
-0:29
21M
21.00 mi14:43:163:23:399:4211:49
11:49
+0:53
35K
21.75 mi14:51:173:31:409:448:01
10:43
-1:06
23M
23.00 mi15:04:143:44:379:4612:57
10:21
-0:22
24M
24.00 mi15:13:523:54:159:469:38
9:38
-0:43
40K
24.85 mi15:23:244:03:479:489:32
11:09
+1:31
25.2M
25.20 mi15:27:034:07:269:493:39
10:35
-0:34
Finish
26.22 mi15:36:514:17:149:499:48
9:37
-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

8:47 /mi

Average Pace

9:49 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:01

46% of race

Time at Steady Pace

42:57

17% of race

Time at Slower Pace

1:36:16

37% of race

Average Pace: 9:49 /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 mi11:47:5328:169:0628:16
9:06
#22849
10K
6.21 mi12:15:1055:338:5627:17
8:47
#22162
15K
9.32 mi12:42:491:23:128:5627:39
8:54
#21947
20K
12.43 mi13:11:221:51:459:0028:33
9:11
#21904
Half
13.11 mi13:17:381:58:019:006:16
9:11
#21939
25K
15.53 mi13:41:092:21:329:0723:31
9:42
#22047
30K
18.64 mi14:16:362:56:599:3035:27
11:25
#22786
20M
20.00 mi14:31:273:11:509:3514:51
10:56
#22837
21M
21.00 mi14:43:163:23:399:4211:49
11:49
#22862
35K
21.75 mi14:51:173:31:409:448:01
10:43
#22890
23M
23.00 mi15:04:143:44:379:4612:57
10:21
#22805
24M
24.00 mi15:13:523:54:159:469:38
9:38
#22666
40K
24.85 mi15:23:244:03:479:489:32
11:09
#22689
25.2M
25.20 mi15:27:034:07:269:493:39
10:35
#22651
Finish
26.22 mi15:36:514:17:149:499:48
9:37
#22625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228499096909621583(Top 76%)8325(Top 68%)8325(Top 152%)
10K6.21 mi3.10 mi22162+6878705+3918705+39121333(Top 75%)8216(Top 67%)8216(Top 150%)
15K9.32 mi3.11 mi21947+2158571+1348571+13421583(Top 76%)8325(Top 68%)8325(Top 152%)
20K12.43 mi3.11 mi21904+438550+218550+2121863(Top 77%)8517(Top 70%)8517(Top 156%)
Half13.11 mi0.68 mi21939-358567-178567-1722572(Top 79%)8923(Top 73%)8923(Top 163%)
25K15.53 mi2.42 mi22047-1088628-618628-6122503(Top 79%)8934(Top 73%)8934(Top 163%)
30K18.64 mi3.11 mi22786-7399061-4339061-43324721(Top 87%)10249(Top 84%)10249(Top 187%)
20M20.00 mi1.36 mi22837-519125-649125-6423459(Top 83%)9657(Top 79%)9657(Top 177%)
21M21.00 mi1.00 mi22862-259155-309155-3023253(Top 82%)9631(Top 79%)9631(Top 176%)
35K21.75 mi0.75 mi22890-289181-269181-2623627(Top 83%)9863(Top 81%)9863(Top 180%)
23M23.00 mi1.25 mi22805+859157+249157+2421566(Top 76%)8856(Top 72%)8856(Top 162%)
24M24.00 mi1.00 mi22666+1399108+499108+4920156(Top 71%)8170(Top 67%)8170(Top 149%)
40K24.85 mi0.85 mi22689-239130-229130-2223466(Top 83%)9926(Top 81%)9926(Top 181%)
25.2M25.20 mi0.35 mi22651+389126+49126+419366(Top 68%)7854(Top 64%)7854(Top 144%)
Finish26.22 mi1.02 mi22625+269127-19127-121632(Top 76%)8979(Top 73%)8979(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21583

Females

8325

F18-39

8325

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21333

Females

8216

F18-39

8216

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21583

Females

8325

F18-39

8325

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21863

Females

8517

F18-39

8517

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22572

Females

8923

F18-39

8923

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22503

Females

8934

F18-39

8934

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24721

Females

10249

F18-39

10249

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23459

Females

9657

F18-39

9657

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23253

Females

9631

F18-39

9631

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23627

Females

9863

F18-39

9863

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21566

Females

8856

F18-39

8856

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20156

Females

8170

F18-39

8170

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23466

Females

9926

F18-39

9926

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19366

Females

7854

F18-39

7854

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21632

Females

8979

F18-39

8979

Passing Analysis

Category:
Athletes Passed
1971
Passed By
1747
Net Change
+224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22849
5K → 10K73952+687#22849#22162
10K → 15K30590+215#22162#21947
15K → 20K216173+43#21947#21904
20K → Half2459-35#21904#21939
Half → 25K112220-108#21939#22047
25K → 30K43782-739#22047#22786
30K → 20M66117-51#22786#22837
20M → 21M5277-25#22837#22862
21M → 35K3260-28#22862#22890
35K → 23M10621+85#22890#22805
23M → 24M1434+139#22805#22666
24M → 40K3457-23#22666#22689
40K → 25.2M446+38#22689#22651
25.2M → Finish5529+26#22651#22625
TOTALS19711747+224
📊

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