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BOSTON MARATHON 2025

Nancy Burdick

Bib: 30090•F

MA

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

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
10:54/mi
33:52
↑ 97↓ 3451.5%
10K· 6.21 mi
11:12/mi
1:08:41
↑ 79↓ 1380.4%
15K· 9.32 mi
11:35/mi
1:44:40
↑ 67↓ 78
20K· 12.43 mi
12:18/mi
2:22:54
↑ 106↓ 860.1%
Half· 13.11 mi
12:23/mi
2:31:21
↑ 19↓ 370.5%
25K· 15.53 mi
13:24/mi
3:03:50
↑ 66↓ 880.2%
30K· 18.64 mi
14:31/mi
3:48:55
↑ 181↓ 1480.2%
20M
14:19/mi
4:08:23
↑ 64↓ 500.2%
21M
15:08/mi
4:23:31
↑ 106↓ 241.6%
35K· 21.75 mi
13:06/mi
4:33:19
↑ 17↓ 861.7%
23M
13:55/mi
4:50:45
↑ 23↓ 630.6%
24M
13:55/mi
5:04:40
↓ 821.3%
40K· 24.85 mi
13:34/mi
5:16:16
↓ 200.3%
25.2M
14:30/mi
5:21:16
↑ 13↓ 160.2%
Finish· 26.22 mi
12:51/mi
5:34:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:21
Pace11:33 /mi
2nd Half
Distance13.11 mi
Time3:03:01
Pace13:58 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3233:5210:5433:52
10:54
-
10K
6.21 mi12:28:211:08:4111:0334:49
11:12
+0:18
15K
9.32 mi13:04:201:44:4011:1435:59
11:35
+0:23
20K
12.43 mi13:42:342:22:5411:3038:14
12:18
+0:43
Half
13.11 mi13:51:012:31:2111:338:27
12:23
+0:05
25K
15.53 mi14:23:303:03:5011:5032:29
13:24
+1:01
30K
18.64 mi15:08:353:48:5512:1745:05
14:31
+1:07
20M
20.00 mi15:28:034:08:2312:2519:28
14:19
-0:12
21M
21.00 mi15:43:114:23:3112:3315:08
15:08
+0:49
35K
21.75 mi15:52:594:33:1912:349:48
13:06
-2:02
23M
23.00 mi16:10:254:50:4512:3817:26
13:55
+0:49
24M
24.00 mi16:24:205:04:4012:4213:55
13:55
0:00
40K
24.85 mi16:35:565:16:1612:4311:36
13:34
-0:21
25.2M
25.20 mi16:40:565:21:1612:455:00
14:30
+0:56
Finish
26.22 mi16:54:025:34:2212:4613:06
12:51
-1:39

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

10:54 /mi

Average Pace

12:46 /mi

Slowest Pace

15:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:21

45% of race

Time at Steady Pace

1:38:20

29% of race

Time at Slower Pace

1:24:41

25% of race

Average Pace: 12:45 /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 mi11:53:3233:5210:5433:52
10:54
#27436
10K
6.21 mi12:28:211:08:4111:0334:49
11:12
#27389
15K
9.32 mi13:04:201:44:4011:1435:59
11:35
#27345
20K
12.43 mi13:42:342:22:5411:3038:14
12:18
#27384
Half
13.11 mi13:51:012:31:2111:338:27
12:23
#27397
25K
15.53 mi14:23:303:03:5011:5032:29
13:24
#27455
30K
18.64 mi15:08:353:48:5512:1745:05
14:31
#27555
20M
20.00 mi15:28:034:08:2312:2519:28
14:19
#27552
21M
21.00 mi15:43:114:23:3112:3315:08
15:08
#27544
35K
21.75 mi15:52:594:33:1912:349:48
13:06
#27547
23M
23.00 mi16:10:254:50:4512:3817:26
13:55
#27538
24M
24.00 mi16:24:205:04:4012:4213:55
13:55
#27568
40K
24.85 mi16:35:565:16:1612:4311:36
13:34
#27550
25.2M
25.20 mi16:40:565:21:1612:455:00
14:30
#27548
Finish
26.22 mi16:54:025:34:2212:4613:06
12:51
#27560
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi27436116011160127292(Top 96%)11549(Top 94%)11549(Top 1162%)
10K6.21 mi3.10 mi27389+4711583+1811583+1827303(Top 96%)11549(Top 94%)11549(Top 1162%)
15K9.32 mi3.11 mi27345+4411561+2211561+2227292(Top 96%)11549(Top 94%)11549(Top 1162%)
20K12.43 mi3.11 mi27384-3911588-2711588-2727358(Top 96%)11614(Top 95%)11614(Top 1168%)
Half13.11 mi0.68 mi27397-1311603-1511603-1527697(Top 98%)11820(Top 97%)11820(Top 1189%)
25K15.53 mi2.42 mi27455-5811653-5011653-5027564(Top 97%)11752(Top 96%)11752(Top 1182%)
30K18.64 mi3.11 mi27555-10011732-7911732-7927802(Top 98%)11952(Top 98%)11952(Top 1202%)
20M20.00 mi1.36 mi27552+311740-811740-827520(Top 97%)11830(Top 97%)11830(Top 1190%)
21M21.00 mi1.00 mi27544+811741-111741-127256(Top 96%)11702(Top 96%)11702(Top 1177%)
35K21.75 mi0.75 mi27547-311749-811749-827051(Top 95%)11619(Top 95%)11619(Top 1169%)
23M23.00 mi1.25 mi27538+911743+611743+627246(Top 96%)11731(Top 96%)11731(Top 1180%)
24M24.00 mi1.00 mi27568-3011764-2111764-2127600(Top 97%)11938(Top 98%)11938(Top 1201%)
40K24.85 mi0.85 mi27550+1811758+611758+626817(Top 94%)11559(Top 95%)11559(Top 1163%)
25.2M25.20 mi0.35 mi27548+211757+111757+126730(Top 94%)11535(Top 94%)11535(Top 1160%)
Finish26.22 mi1.02 mi27560-1211769-1211769-1227533(Top 97%)11885(Top 97%)11885(Top 1196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27292

Females

11549

F55-59

11549

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27303

Females

11549

F55-59

11549

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27292

Females

11549

F55-59

11549

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27358

Females

11614

F55-59

11614

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27697

Females

11820

F55-59

11820

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27564

Females

11752

F55-59

11752

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27802

Females

11952

F55-59

11952

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27520

Females

11830

F55-59

11830

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27256

Females

11702

F55-59

11702

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27051

Females

11619

F55-59

11619

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27246

Females

11731

F55-59

11731

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27600

Females

11938

F55-59

11938

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26817

Females

11559

F55-59

11559

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26730

Females

11535

F55-59

11535

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27533

Females

11885

F55-59

11885

Passing Analysis

Category:
Athletes Passed
567
Passed By
691
Net Change
-124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27436
5K → 10K14598+47#27436#27389
10K → 15K11672+44#27389#27345
15K → 20K70109-39#27345#27384
20K → Half1528-13#27384#27397
Half → 25K44102-58#27397#27455
25K → 30K31131-100#27455#27555
30K → 20M3330+3#27555#27552
20M → 21M2315+8#27552#27544
21M → 35K1215-3#27544#27547
35K → 23M2920+9#27547#27538
23M → 24M939-30#27538#27568
24M → 40K235+18#27568#27550
40K → 25.2M75+2#27550#27548
25.2M → Finish1022-12#27548#27560
TOTALS567691-124
📊

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