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BOSTON MARATHON 2025

Gillian Emery

Bib: 16813•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Top 49%
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
8:24/mi
26:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:18:25
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:50:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:11:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:40:19
↑ 181↓ 1480.2%
20M
9:22/mi
2:53:03
↑ 64↓ 500.2%
21M
10:29/mi
3:03:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:10:18
↑ 17↓ 861.7%
23M
9:51/mi
3:22:38
↑ 23↓ 630.6%
24M
9:42/mi
3:32:20
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:41:00
↓ 200.3%
25.2M
10:38/mi
3:44:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:53:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:03:36
Pace9:26 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:4226:078:2426:07
8:24
-
10K
6.21 mi11:26:3852:038:2325:56
8:21
-0:03
15K
9.32 mi11:53:001:18:258:2526:22
8:29
+0:08
20K
12.43 mi12:19:231:44:488:2626:23
8:30
+0:01
Half
13.11 mi12:24:571:50:228:255:34
8:10
-0:20
25K
15.53 mi12:46:062:11:318:2821:09
8:43
+0:33
30K
18.64 mi13:14:542:40:198:3628:48
9:16
+0:33
20M
20.00 mi13:27:382:53:038:3912:44
9:22
+0:06
21M
21.00 mi13:38:073:03:328:4410:29
10:29
+1:07
35K
21.75 mi13:44:533:10:188:456:46
9:03
-1:26
23M
23.00 mi13:57:133:22:388:4912:20
9:51
+0:48
24M
24.00 mi14:06:553:32:208:519:42
9:42
-0:09
40K
24.85 mi14:15:353:41:008:538:40
10:08
+0:26
25.2M
25.20 mi14:19:153:44:408:553:40
10:38
+0:30
Finish
26.22 mi14:28:333:53:588:569:18
9:08
-1:30

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

8:10 /mi

Average Pace

8:56 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:31

56% of race

Time at Steady Pace

57:36

25% of race

Time at Slower Pace

44:51

19% of race

Average Pace: 8:55 /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 mi11:00:4226:078:2426:07
8:24
#19355
10K
6.21 mi11:26:3852:038:2325:56
8:21
#19108
15K
9.32 mi11:53:001:18:258:2526:22
8:29
#19111
20K
12.43 mi12:19:231:44:488:2626:23
8:30
#18853
Half
13.11 mi12:24:571:50:228:255:34
8:10
#18763
25K
15.53 mi12:46:062:11:318:2821:09
8:43
#18701
30K
18.64 mi13:14:542:40:198:3628:48
9:16
#18755
20M
20.00 mi13:27:382:53:038:3912:44
9:22
#18739
21M
21.00 mi13:38:073:03:328:4410:29
10:29
#18844
35K
21.75 mi13:44:533:10:188:456:46
9:03
#18833
23M
23.00 mi13:57:133:22:388:4912:20
9:51
#18934
24M
24.00 mi14:06:553:32:208:519:42
9:42
#19037
40K
24.85 mi14:15:353:41:008:538:40
10:08
#19121
25.2M
25.20 mi14:19:153:44:408:553:40
10:38
#19111
Finish
26.22 mi14:28:333:53:588:569:18
9:08
#19129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193557115711519259(Top 68%)7039(Top 58%)7039(Top 540%)
10K6.21 mi3.10 mi19108+2476963+1526963+15218867(Top 66%)6806(Top 56%)6806(Top 522%)
15K9.32 mi3.11 mi19111-36965-26965-219259(Top 68%)7039(Top 58%)7039(Top 540%)
20K12.43 mi3.11 mi18853+2586822+1436822+14318198(Top 64%)6453(Top 53%)6453(Top 495%)
Half13.11 mi0.68 mi18763+906768+546768+5417101(Top 60%)5839(Top 48%)5839(Top 448%)
25K15.53 mi2.42 mi18701+626748+206748+2018550(Top 65%)6734(Top 55%)6734(Top 517%)
30K18.64 mi3.11 mi18755-546804-566804-5618980(Top 67%)7107(Top 58%)7107(Top 545%)
20M20.00 mi1.36 mi18739+166826-226826-2218631(Top 66%)7070(Top 58%)7070(Top 543%)
21M21.00 mi1.00 mi18844-1056913-876913-8719965(Top 70%)7887(Top 64%)7887(Top 605%)
35K21.75 mi0.75 mi18833+116926-136926-1318484(Top 65%)7184(Top 59%)7184(Top 551%)
23M23.00 mi1.25 mi18934-1017011-857011-8519965(Top 70%)8032(Top 66%)8032(Top 616%)
24M24.00 mi1.00 mi19037-1037088-777088-7720389(Top 72%)8281(Top 68%)8281(Top 636%)
40K24.85 mi0.85 mi19121-847161-737161-7320905(Top 74%)8614(Top 70%)8614(Top 661%)
25.2M25.20 mi0.35 mi19111+107169-87169-819516(Top 69%)7903(Top 65%)7903(Top 607%)
Finish26.22 mi1.02 mi19129-187199-307199-3019644(Top 69%)7941(Top 65%)7941(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19259

Females

7039

F50-54

7039

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18867

Females

6806

F50-54

6806

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19259

Females

7039

F50-54

7039

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18198

Females

6453

F50-54

6453

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17101

Females

5839

F50-54

5839

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18550

Females

6734

F50-54

6734

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18980

Females

7107

F50-54

7107

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18631

Females

7070

F50-54

7070

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19965

Females

7887

F50-54

7887

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18484

Females

7184

F50-54

7184

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19965

Females

8032

F50-54

8032

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20389

Females

8281

F50-54

8281

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20905

Females

8614

F50-54

8614

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19516

Females

7903

F50-54

7903

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19644

Females

7941

F50-54

7941

Passing Analysis

Category:
Athletes Passed
1921
Passed By
1695
Net Change
+226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19355
5K → 10K401154+247#19355#19108
10K → 15K200203-3#19108#19111
15K → 20K33274+258#19111#18853
20K → Half944+90#18853#18763
Half → 25K188126+62#18763#18701
25K → 30K229283-54#18701#18755
30K → 20M10791+16#18755#18739
20M → 21M74179-105#18739#18844
21M → 35K5544+11#18844#18833
35K → 23M74175-101#18833#18934
23M → 24M37140-103#18934#19037
24M → 40K49133-84#19037#19121
40K → 25.2M3828+10#19121#19111
25.2M → Finish4361-18#19111#19129
TOTALS19211695+226
📊

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