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BOSTON MARATHON 2025

Jillian Andrews

Bib: 16530•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:03/mi
25:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:13:54
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:25/mi
2:09:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:03/mi
2:43:53
↑ 181↓ 1480.2%
20M
11:40/mi
2:59:44
↑ 64↓ 500.2%
21M
11:39/mi
3:11:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:36/mi
3:19:19
↑ 17↓ 861.7%
23M
10:06/mi
3:31:58
↑ 23↓ 630.6%
24M
10:26/mi
3:42:24
↓ 821.3%
40K· 24.85 mi
10:46/mi
3:51:36
↓ 200.3%
25.2M
10:58/mi
3:55:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
4:04:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:17
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:20:23
Pace10:43 /mi
📊Positive Split: 34.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1725:008:0325:00
8:03
-
10K
6.21 mi11:22:5349:367:5924:36
7:55
-0:08
15K
9.32 mi11:47:111:13:547:5624:18
7:49
-0:06
20K
12.43 mi12:12:081:38:517:5724:57
8:02
+0:13
Half
13.11 mi12:17:341:44:177:575:26
7:58
-0:04
25K
15.53 mi12:42:492:09:328:2025:15
10:25
+2:27
30K
18.64 mi13:17:102:43:538:4734:21
11:03
+0:38
20M
20.00 mi13:33:012:59:448:5915:51
11:40
+0:37
21M
21.00 mi13:44:403:11:239:0711:39
11:39
-0:01
35K
21.75 mi13:52:363:19:199:107:56
10:36
-1:03
23M
23.00 mi14:05:153:31:589:1312:39
10:06
-0:30
24M
24.00 mi14:15:413:42:249:1610:26
10:26
+0:20
40K
24.85 mi14:24:533:51:369:199:12
10:46
+0:20
25.2M
25.20 mi14:28:403:55:239:203:47
10:58
+0:12
Finish
26.22 mi14:37:574:04:409:209:17
9:07
-1:51

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

7:49 /mi

Average Pace

9:20 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:34

46% of race

Time at Steady Pace

1:43:36

42% of race

Time at Slower Pace

27:30

11% of race

Average Pace: 9:20 /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 mi10:58:1725:008:0325:00
8:03
#16987
10K
6.21 mi11:22:5349:367:5924:36
7:55
#16377
15K
9.32 mi11:47:111:13:547:5624:18
7:49
#15759
20K
12.43 mi12:12:081:38:517:5724:57
8:02
#15589
Half
13.11 mi12:17:341:44:177:575:26
7:58
#15591
25K
15.53 mi12:42:492:09:328:2025:15
10:25
#17851
30K
18.64 mi13:17:102:43:538:4734:21
11:03
#19828
20M
20.00 mi13:33:012:59:448:5915:51
11:40
#20490
21M
21.00 mi13:44:403:11:239:0711:39
11:39
#20701
35K
21.75 mi13:52:363:19:199:107:56
10:36
#20883
23M
23.00 mi14:05:153:31:589:1312:39
10:06
#20902
24M
24.00 mi14:15:413:42:249:1610:26
10:26
#20991
40K
24.85 mi14:24:533:51:369:199:12
10:46
#21078
25.2M
25.20 mi14:28:403:55:239:203:47
10:58
#21061
Finish
26.22 mi14:37:574:04:409:209:17
9:07
#21003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169875736573614577(Top 51%)4356(Top 36%)4356(Top 254%)
10K6.21 mi3.10 mi16377+6105371+3655371+36515825(Top 56%)5030(Top 41%)5030(Top 293%)
15K9.32 mi3.11 mi15759+6184993+3784993+37814577(Top 51%)4356(Top 36%)4356(Top 254%)
20K12.43 mi3.11 mi15589+1704923+704923+7015172(Top 53%)4739(Top 39%)4739(Top 276%)
Half13.11 mi0.68 mi15591-24926-34926-315712(Top 55%)5032(Top 41%)5032(Top 293%)
25K15.53 mi2.42 mi17851-22606272-13466272-134624206(Top 85%)9853(Top 81%)9853(Top 574%)
30K18.64 mi3.11 mi19828-19777419-11477419-114724098(Top 85%)9917(Top 81%)9917(Top 577%)
20M20.00 mi1.36 mi20490-6627825-4067825-40624813(Top 87%)10365(Top 85%)10365(Top 603%)
21M21.00 mi1.00 mi20701-2117960-1357960-13522926(Top 81%)9458(Top 77%)9458(Top 551%)
35K21.75 mi0.75 mi20883-1828075-1158075-11523393(Top 82%)9745(Top 80%)9745(Top 567%)
23M23.00 mi1.25 mi20902-198111-368111-3620831(Top 73%)8468(Top 69%)8468(Top 493%)
24M24.00 mi1.00 mi20991-898177-668177-6622642(Top 80%)9451(Top 77%)9451(Top 550%)
40K24.85 mi0.85 mi21078-878244-678244-6722595(Top 80%)9496(Top 78%)9496(Top 553%)
25.2M25.20 mi0.35 mi21061+178245-18245-120574(Top 72%)8452(Top 69%)8452(Top 492%)
Finish26.22 mi1.02 mi21003+588227+188227+1819575(Top 69%)7912(Top 65%)7912(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14577

Females

4356

F40-44

4356

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15825

Females

5030

F40-44

5030

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14577

Females

4356

F40-44

4356

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15172

Females

4739

F40-44

4739

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15712

Females

5032

F40-44

5032

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24206

Females

9853

F40-44

9853

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24098

Females

9917

F40-44

9917

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24813

Females

10365

F40-44

10365

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22926

Females

9458

F40-44

9458

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23393

Females

9745

F40-44

9745

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20831

Females

8468

F40-44

8468

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22642

Females

9451

F40-44

9451

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22595

Females

9496

F40-44

9496

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20574

Females

8452

F40-44

8452

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19575

Females

7912

F40-44

7912

Passing Analysis

Category:
Athletes Passed
2035
Passed By
6051
Net Change
-4016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16987
5K → 10K710100+610#16987#16377
10K → 15K64527+618#16377#15759
15K → 20K287117+170#15759#15589
20K → Half4042-2#15589#15591
Half → 25K62266-2260#15591#17851
25K → 30K141991-1977#17851#19828
30K → 20M17679-662#19828#20490
20M → 21M38249-211#20490#20701
21M → 35K21203-182#20701#20883
35K → 23M87106-19#20883#20902
23M → 24M33122-89#20902#20991
24M → 40K22109-87#20991#21078
40K → 25.2M3518+17#21078#21061
25.2M → Finish8022+58#21061#21003
TOTALS20356051-4016
📊

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