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BOSTON MARATHON 2025

Nora Mills

Bib: 11349•F

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F40-44)
#0 / 1718
Top 9%
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
7:06/mi
22:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:05:43
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:28:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:33:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:51:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:15:18
↑ 181↓ 1480.2%
20M
7:58/mi
2:26:07
↑ 64↓ 500.2%
21M
8:13/mi
2:34:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:40:28
↑ 17↓ 861.7%
23M
7:41/mi
2:50:05
↑ 23↓ 630.6%
24M
7:26/mi
2:57:31
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:04:04
↓ 200.3%
25.2M
7:52/mi
3:06:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:14:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:14
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0822:047:0622:04
7:06
-
10K
6.21 mi11:10:5443:507:0321:46
7:00
-0:06
15K
9.32 mi11:32:471:05:437:0321:53
7:03
+0:03
20K
12.43 mi11:55:231:28:197:0622:36
7:16
+0:13
Half
13.11 mi12:00:181:33:147:074:55
7:12
-0:04
25K
15.53 mi12:18:251:51:217:1018:07
7:28
+0:16
30K
18.64 mi12:42:222:15:187:1523:57
7:43
+0:15
20M
20.00 mi12:53:112:26:077:1810:49
7:58
+0:15
21M
21.00 mi13:01:232:34:197:218:12
8:13
+0:15
35K
21.75 mi13:07:322:40:287:236:09
8:13
0:00
23M
23.00 mi13:17:092:50:057:249:37
7:41
-0:32
24M
24.00 mi13:24:352:57:317:247:26
7:26
-0:15
40K
24.85 mi13:31:083:04:047:246:33
7:40
+0:14
25.2M
25.20 mi13:33:513:06:477:252:43
7:52
+0:12
Finish
26.22 mi13:41:523:14:487:268:01
7:52
0:00

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

7:00 /mi

Average Pace

7:26 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:57

69% of race

Time at Steady Pace

59:51

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:49:0822:047:0622:04
7:06
#8677
10K
6.21 mi11:10:5443:507:0321:46
7:00
#8313
15K
9.32 mi11:32:471:05:437:0321:53
7:03
#8125
20K
12.43 mi11:55:231:28:197:0622:36
7:16
#8232
Half
13.11 mi12:00:181:33:147:074:55
7:12
#8246
25K
15.53 mi12:18:251:51:217:1018:07
7:28
#8413
30K
18.64 mi12:42:222:15:187:1523:57
7:43
#8503
20M
20.00 mi12:53:112:26:077:1810:49
7:58
#8575
21M
21.00 mi13:01:232:34:197:218:12
8:13
#8541
35K
21.75 mi13:07:322:40:287:236:09
8:13
#8734
23M
23.00 mi13:17:092:50:057:249:37
7:41
#8589
24M
24.00 mi13:24:352:57:317:247:26
7:26
#8489
40K
24.85 mi13:31:083:04:047:246:33
7:40
#8415
25.2M
25.20 mi13:33:513:06:477:252:43
7:52
#8326
Finish
26.22 mi13:41:523:14:487:268:01
7:52
#8486
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8677123212327930(Top 28%)1009(Top 8%)1009(Top 59%)
10K6.21 mi3.10 mi8313+3641109+1231109+1237974(Top 28%)999(Top 8%)999(Top 58%)
15K9.32 mi3.11 mi8125+1881055+541055+547930(Top 28%)1009(Top 8%)1009(Top 59%)
20K12.43 mi3.11 mi8232-1071119-641119-648847(Top 31%)1456(Top 12%)1456(Top 85%)
Half13.11 mi0.68 mi8246-141124-51124-59196(Top 32%)1581(Top 13%)1581(Top 92%)
25K15.53 mi2.42 mi8413-1671206-821206-829732(Top 34%)1981(Top 16%)1981(Top 115%)
30K18.64 mi3.11 mi8503-901299-931299-939250(Top 33%)1939(Top 16%)1939(Top 113%)
20M20.00 mi1.36 mi8575-721369-701369-7010173(Top 36%)2510(Top 21%)2510(Top 146%)
21M21.00 mi1.00 mi8541+341386-171386-178639(Top 30%)2013(Top 16%)2013(Top 117%)
35K21.75 mi0.75 mi8734-1931484-981484-9813694(Top 48%)4540(Top 37%)4540(Top 264%)
23M23.00 mi1.25 mi8589+1451470+141470+147800(Top 27%)1737(Top 14%)1737(Top 101%)
24M24.00 mi1.00 mi8489+1001463+71463+77281(Top 26%)1570(Top 13%)1570(Top 91%)
40K24.85 mi0.85 mi8415+741468-51468-57851(Top 28%)1916(Top 16%)1916(Top 112%)
25.2M25.20 mi0.35 mi8326+891454+141454+145165(Top 18%)959(Top 8%)959(Top 56%)
Finish26.22 mi1.02 mi8486-1601538-841538-8411995(Top 42%)3943(Top 32%)3943(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7930

Females

1009

F40-44

1009

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7974

Females

999

F40-44

999

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7930

Females

1009

F40-44

1009

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8847

Females

1456

F40-44

1456

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9196

Females

1581

F40-44

1581

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9732

Females

1981

F40-44

1981

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9250

Females

1939

F40-44

1939

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10173

Females

2510

F40-44

2510

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8639

Females

2013

F40-44

2013

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13694

Females

4540

F40-44

4540

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7800

Females

1737

F40-44

1737

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7281

Females

1570

F40-44

1570

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7851

Females

1916

F40-44

1916

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5165

Females

959

F40-44

959

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11995

Females

3943

F40-44

3943

Passing Analysis

Category:
Athletes Passed
1840
Passed By
1649
Net Change
+191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8677
5K → 10K44581+364#8677#8313
10K → 15K25163+188#8313#8125
15K → 20K115222-107#8125#8232
20K → Half1428-14#8232#8246
Half → 25K89256-167#8246#8413
25K → 30K180270-90#8413#8503
30K → 20M74146-72#8503#8575
20M → 21M10975+34#8575#8541
21M → 35K21214-193#8541#8734
35K → 23M19045+145#8734#8589
23M → 24M12626+100#8589#8489
24M → 40K11137+74#8489#8415
40K → 25.2M934+89#8415#8326
25.2M → Finish22182-160#8326#8486
TOTALS18401649+191
📊

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