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BOSTON MARATHON 2025

Gillian Irving

Bib: 24520•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #22621
Start → 5K
28:06 | 9:03/mi
10K· 6.21 mi
56:24
Rank: #22738 (-117)
5K → 10K
28:18 | 9:07/mi
15K· 9.32 mi
1:24:49
Rank: #22703 (+35)
10K → 15K
28:25 | 9:09/mi
20K· 12.43 mi
1:54:19
Rank: #22783 (-80)
15K → 20K
29:30 | 9:30/mi
Half· 13.11 mi
2:00:41
Rank: #22792 (-9)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:23:49
Rank: #22642 (+150)
Half → 25K
23:08 | 9:32/mi
30K· 18.64 mi
2:54:59
Rank: #22444 (+198)
25K → 30K
31:10 | 10:02/mi
20M
3:09:08
Rank: #22428 (+16)
30K → 20M
14:09 | 10:25/mi
21M
3:20:03
Rank: #22331 (+97)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
3:27:47
Rank: #22351 (-20)
21M → 35K
7:44 | 10:20/mi
23M
3:41:33
Rank: #22398 (-47)
35K → 23M
13:46 | 11:00/mi
24M
3:52:23
Rank: #22437 (-39)
23M → 24M
10:50 | 10:50/mi
40K· 24.85 mi
4:02:00
Rank: #22485 (-48)
24M → 40K
9:37 | 11:15/mi
25.2M
4:06:11
Rank: #22512 (-27)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:17:05
Rank: #22603 (-91)
25.2M → Finish
10:54 | 10:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:41
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:16:24
Pace10:24 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1428:069:0328:06
9:03
-
10K
6.21 mi11:57:3256:249:0528:18
9:07
+0:04
15K
9.32 mi12:25:571:24:499:0628:25
9:09
+0:02
20K
12.43 mi12:55:271:54:199:1229:30
9:30
+0:21
Half
13.11 mi13:01:492:00:419:126:22
9:20
-0:10
25K
15.53 mi13:24:572:23:499:1523:08
9:32
+0:12
30K
18.64 mi13:56:072:54:599:2331:10
10:02
+0:30
20M
20.00 mi14:10:163:09:089:2714:09
10:25
+0:23
21M
21.00 mi14:21:113:20:039:3210:55
10:55
+0:30
35K
21.75 mi14:28:553:27:479:337:44
10:20
-0:35
23M
23.00 mi14:42:413:41:339:3813:46
11:00
+0:40
24M
24.00 mi14:53:313:52:239:4110:50
10:50
-0:10
40K
24.85 mi15:03:084:02:009:449:37
11:15
+0:25
25.2M
25.20 mi15:07:194:06:119:464:11
12:08
+0:53
Finish
26.22 mi15:18:134:17:059:4910:54
10:42
-1:26

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

9:03 /mi

Average Pace

9:49 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:49

56% of race

Time at Steady Pace

1:03:57

25% of race

Time at Slower Pace

49:19

19% of race

Average Pace: 9:48 /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 mi11:29:1428:069:0328:06
9:03
#22621
10K
6.21 mi11:57:3256:249:0528:18
9:07
#22738
15K
9.32 mi12:25:571:24:499:0628:25
9:09
#22703
20K
12.43 mi12:55:271:54:199:1229:30
9:30
#22783
Half
13.11 mi13:01:492:00:419:126:22
9:20
#22792
25K
15.53 mi13:24:572:23:499:1523:08
9:32
#22642
30K
18.64 mi13:56:072:54:599:2331:10
10:02
#22444
20M
20.00 mi14:10:163:09:089:2714:09
10:25
#22428
21M
21.00 mi14:21:113:20:039:3210:55
10:55
#22331
35K
21.75 mi14:28:553:27:479:337:44
10:20
#22351
23M
23.00 mi14:42:413:41:339:3813:46
11:00
#22398
24M
24.00 mi14:53:313:52:239:4110:50
10:50
#22437
40K
24.85 mi15:03:084:02:009:449:37
11:15
#22485
25.2M
25.20 mi15:07:194:06:119:464:11
12:08
#22512
Finish
26.22 mi15:18:134:17:059:4910:54
10:42
#22603
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi226218972897222654(Top 80%)8923(Top 73%)8923(Top 898%)
10K6.21 mi3.10 mi22738-1179009-379009-3722864(Top 80%)9055(Top 74%)9055(Top 911%)
15K9.32 mi3.11 mi22703+358961+488961+4822654(Top 80%)8923(Top 73%)8923(Top 898%)
20K12.43 mi3.11 mi22783-808999-388999-3822890(Top 81%)9087(Top 74%)9087(Top 914%)
Half13.11 mi0.68 mi22792-99006-79006-723089(Top 81%)9202(Top 75%)9202(Top 926%)
25K15.53 mi2.42 mi22642+1508948+588948+5822010(Top 77%)8656(Top 71%)8656(Top 871%)
30K18.64 mi3.11 mi22444+1988882+668882+6621694(Top 76%)8612(Top 70%)8612(Top 866%)
20M20.00 mi1.36 mi22428+168887-58887-522193(Top 78%)9008(Top 74%)9008(Top 906%)
21M21.00 mi1.00 mi22331+978849+388849+3821188(Top 75%)8549(Top 70%)8549(Top 860%)
35K21.75 mi0.75 mi22351-208874-258874-2522805(Top 80%)9441(Top 77%)9441(Top 950%)
23M23.00 mi1.25 mi22398-478939-658939-6523221(Top 82%)9720(Top 79%)9720(Top 978%)
24M24.00 mi1.00 mi22437-398977-388977-3823644(Top 83%)9948(Top 81%)9948(Top 1001%)
40K24.85 mi0.85 mi22485-489023-469023-4623672(Top 83%)10013(Top 82%)10013(Top 1007%)
25.2M25.20 mi0.35 mi22512-279041-189041-1823513(Top 83%)9916(Top 81%)9916(Top 998%)
Finish26.22 mi1.02 mi22603-919117-769117-7624730(Top 87%)10524(Top 86%)10524(Top 1059%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22654

Females

8923

F55-59

8923

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22864

Females

9055

F55-59

9055

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22654

Females

8923

F55-59

8923

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22890

Females

9087

F55-59

9087

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23089

Females

9202

F55-59

9202

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

22010

Females

8656

F55-59

8656

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21694

Females

8612

F55-59

8612

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22193

Females

9008

F55-59

9008

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21188

Females

8549

F55-59

8549

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22805

Females

9441

F55-59

9441

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23221

Females

9720

F55-59

9720

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23644

Females

9948

F55-59

9948

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23672

Females

10013

F55-59

10013

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23513

Females

9916

F55-59

9916

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24730

Females

10524

F55-59

10524

Passing Analysis

Category:
Athletes Passed
1471
Passed By
1453
Net Change
+18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22621
5K → 10K199316-117#22621#22738
10K → 15K191156+35#22738#22703
15K → 20K160240-80#22703#22783
20K → Half2837-9#22783#22792
Half → 25K21666+150#22792#22642
25K → 30K27981+198#22642#22444
30K → 20M8064+16#22444#22428
20M → 21M12528+97#22428#22331
21M → 35K3252-20#22331#22351
35K → 23M58105-47#22351#22398
23M → 24M4483-39#22398#22437
24M → 40K2977-48#22437#22485
40K → 25.2M936-27#22485#22512
25.2M → Finish21112-91#22512#22603
TOTALS14711453+18
📊

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