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BOSTON MARATHON 2025

Brigid Durban Burgess

Bib: 17089•F

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

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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
9:10/mi
54:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:26:10
↑ 67↓ 78
20K· 12.43 mi
10:10/mi
1:57:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
2:03:47
↑ 19↓ 370.5%
25K· 15.53 mi
10:12/mi
2:28:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:46/mi
3:05:06
↑ 181↓ 1480.2%
20M
11:12/mi
3:20:19
↑ 64↓ 500.2%
21M
11:23/mi
3:31:42
↑ 106↓ 241.6%
35K· 21.75 mi
10:27/mi
3:39:31
↑ 17↓ 861.7%
23M
12:53/mi
3:55:39
↑ 23↓ 630.6%
24M
10:09/mi
4:05:48
↓ 821.3%
40K· 24.85 mi
10:05/mi
4:14:25
↓ 200.3%
25.2M
10:44/mi
4:18:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
4:27:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:47
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:23:33
Pace10:57 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3326:178:2826:17
8:28
-
10K
6.21 mi11:45:0354:478:4928:30
9:10
+0:42
15K
9.32 mi12:16:261:26:109:1531:23
10:06
+0:56
20K
12.43 mi12:48:021:57:469:2931:36
10:10
+0:04
Half
13.11 mi12:54:032:03:479:276:01
8:49
-1:21
25K
15.53 mi13:18:482:28:329:3424:45
10:12
+1:23
30K
18.64 mi13:55:223:05:069:5636:34
11:46
+1:34
20M
20.00 mi14:10:353:20:1910:0115:13
11:12
-0:34
21M
21.00 mi14:21:583:31:4210:0511:23
11:23
+0:11
35K
21.75 mi14:29:473:39:3110:067:49
10:27
-0:56
23M
23.00 mi14:45:553:55:3910:1516:08
12:53
+2:26
24M
24.00 mi14:56:044:05:4810:1510:09
10:09
-2:44
40K
24.85 mi15:04:414:14:2510:148:37
10:05
-0:04
25.2M
25.20 mi15:08:234:18:0710:153:42
10:44
+0:39
Finish
26.22 mi15:17:364:27:2010:129:13
9:03
-1:41

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

8:28 /mi

Average Pace

10:12 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:01

26% of race

Time at Steady Pace

1:58:01

44% of race

Time at Slower Pace

1:19:18

30% of race

Average Pace: 10:12 /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 mi11:16:3326:178:2826:17
8:28
#19663
10K
6.21 mi11:45:0354:478:4928:30
9:10
#21541
15K
9.32 mi12:16:261:26:109:1531:23
10:06
#23257
20K
12.43 mi12:48:021:57:469:2931:36
10:10
#23685
Half
13.11 mi12:54:032:03:479:276:01
8:49
#23601
25K
15.53 mi13:18:482:28:329:3424:45
10:12
#23589
30K
18.64 mi13:55:223:05:069:5636:34
11:46
#24047
20M
20.00 mi14:10:353:20:1910:0115:13
11:12
#24038
21M
21.00 mi14:21:583:31:4210:0511:23
11:23
#23941
35K
21.75 mi14:29:473:39:3110:067:49
10:27
#23902
23M
23.00 mi14:45:553:55:3910:1516:08
12:53
#24114
24M
24.00 mi14:56:044:05:4810:1510:09
10:09
#24020
40K
24.85 mi15:04:414:14:2510:148:37
10:05
#23914
25.2M
25.20 mi15:08:234:18:0710:153:42
10:44
#23860
Finish
26.22 mi15:17:364:27:2010:129:13
9:03
#23736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi196637302730225209(Top 89%)10342(Top 85%)10342(Top 189%)
10K6.21 mi3.10 mi21541-18788362-10608362-106023104(Top 81%)9193(Top 75%)9193(Top 168%)
15K9.32 mi3.11 mi23257-17169269-9079269-90725209(Top 89%)10342(Top 85%)10342(Top 189%)
20K12.43 mi3.11 mi23685-4289509-2409509-24024585(Top 87%)10039(Top 82%)10039(Top 184%)
Half13.11 mi0.68 mi23601+849464+459464+4521057(Top 74%)8090(Top 66%)8090(Top 148%)
25K15.53 mi2.42 mi23589+129473-99473-923746(Top 84%)9613(Top 79%)9613(Top 176%)
30K18.64 mi3.11 mi24047-4589756-2839756-28325258(Top 89%)10536(Top 86%)10536(Top 193%)
20M20.00 mi1.36 mi24038+99774-189774-1823996(Top 84%)9952(Top 81%)9952(Top 182%)
21M21.00 mi1.00 mi23941+979733+419733+4122373(Top 79%)9182(Top 75%)9182(Top 168%)
35K21.75 mi0.75 mi23902+399726+79726+723067(Top 81%)9589(Top 78%)9589(Top 175%)
23M23.00 mi1.25 mi24114-2129855-1299855-12926260(Top 92%)11230(Top 92%)11230(Top 205%)
24M24.00 mi1.00 mi24020+949819+369819+3621814(Top 77%)9046(Top 74%)9046(Top 165%)
40K24.85 mi0.85 mi23914+1069771+489771+4820746(Top 73%)8542(Top 70%)8542(Top 156%)
25.2M25.20 mi0.35 mi23860+549755+169755+1619890(Top 70%)8118(Top 66%)8118(Top 148%)
Finish26.22 mi1.02 mi23736+1249699+569699+5619293(Top 68%)7770(Top 64%)7770(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25209

Females

10342

F18-39

10342

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23104

Females

9193

F18-39

9193

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25209

Females

10342

F18-39

10342

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24585

Females

10039

F18-39

10039

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21057

Females

8090

F18-39

8090

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23746

Females

9613

F18-39

9613

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25258

Females

10536

F18-39

10536

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23996

Females

9952

F18-39

9952

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22373

Females

9182

F18-39

9182

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23067

Females

9589

F18-39

9589

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26260

Females

11230

F18-39

11230

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21814

Females

9046

F18-39

9046

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20746

Females

8542

F18-39

8542

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19890

Females

8118

F18-39

8118

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19293

Females

7770

F18-39

7770

Passing Analysis

Category:
Athletes Passed
1016
Passed By
5089
Net Change
-4073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19663
5K → 10K141892-1878#19663#21541
10K → 15K151731-1716#21541#23257
15K → 20K57485-428#23257#23685
20K → Half840+84#23685#23601
Half → 25K132120+12#23601#23589
25K → 30K38496-458#23589#24047
30K → 20M8071+9#24047#24038
20M → 21M11114+97#24038#23941
21M → 35K7233+39#23941#23902
35K → 23M21233-212#23902#24114
23M → 24M984+94#24114#24020
24M → 40K1115+106#24020#23914
40K → 25.2M551+54#23914#23860
25.2M → Finish1284+124#23860#23736
TOTALS10165089-4073
📊

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