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BOSTON MARATHON 2025

Anna Cox

MN

Bib: 15493 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:13/mi
25:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:15/mi
51:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:17/mi
1:16:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:30/mi
1:43:19
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:14/mi
1:48:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:58/mi
2:10:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:08/mi
2:39:03
↑ 181↓ 1480.2%
138 ft elev
20M
9:49/mi
2:52:23
↑ 64↓ 500.2%
148 ft elev
21M
10:49/mi
3:03:12
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:59/mi
3:11:25
↑ 17↓ 861.7%
156 ft elev
23M
11:19/mi
3:25:35
↑ 23↓ 630.6%
116 ft elev
24M
9:36/mi
3:35:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:00/mi
3:44:35
↓ 200.3%
20 ft elev
25.2M
10:03/mi
3:48:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:57/mi
3:57:10
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:08:14
Pace9:47 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5425:328:1325:32
8:13
-
10K
6.21 mi11:23:3351:118:1425:39
8:15
+0:02
15K
9.32 mi11:49:181:16:568:1525:45
8:17
+0:02
20K
12.43 mi12:15:411:43:198:1926:23
8:30
+0:13
Half
13.11 mi12:21:181:48:568:195:37
8:14
-0:16
25K
15.53 mi12:43:032:10:418:2521:45
8:58
+0:44
30K
18.64 mi13:11:252:39:038:3228:22
9:08
+0:10
20M
20.00 mi13:24:452:52:238:3713:20
9:49
+0:41
21M
21.00 mi13:35:343:03:128:4310:49
10:49
+1:00
35K
21.75 mi13:43:473:11:258:488:13
10:59
+0:10
23M
23.00 mi13:57:573:25:358:5614:10
11:19
+0:20
24M
24.00 mi14:07:333:35:118:589:36
9:36
-1:43
40K
24.85 mi14:16:573:44:359:029:24
11:00
+1:24
25.2M
25.20 mi14:20:253:48:039:033:28
10:03
-0:57
Finish
26.22 mi14:29:323:57:109:039:07
8:57
-1:06

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

8:13 /mi

Average Pace

9:03 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:56

46% of race

Time at Steady Pace

1:08:50

29% of race

Time at Slower Pace

59:24

25% of race

Average Pace: 9:03 /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 mi10:57:5425:328:1325:32
8:13
#18221
10K
6.21 mi11:23:3351:118:1425:39
8:15
#18211
15K
9.32 mi11:49:181:16:568:1525:45
8:17
#18127
20K
12.43 mi12:15:411:43:198:1926:23
8:30
#18078
Half
13.11 mi12:21:181:48:568:195:37
8:14
#18033
25K
15.53 mi12:43:032:10:418:2521:45
8:58
#18350
30K
18.64 mi13:11:252:39:038:3228:22
9:08
#18334
20M
20.00 mi13:24:452:52:238:3713:20
9:49
#18544
21M
21.00 mi13:35:343:03:128:4310:49
10:49
#18753
35K
21.75 mi13:43:473:11:258:488:13
10:59
#19121
23M
23.00 mi13:57:573:25:358:5614:10
11:19
#19599
24M
24.00 mi14:07:333:35:118:589:36
9:36
#19625
40K
24.85 mi14:16:573:44:359:029:24
11:00
#19842
25.2M
25.20 mi14:20:253:48:039:033:28
10:03
#19816
Finish
26.22 mi14:29:323:57:109:039:07
8:57
#19775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi182216479647917950(Top 63%)6289(Top 51%)6289(Top 366%)
10K6.21 mi3.10 mi18211+106459+206459+2018250(Top 64%)6459(Top 53%)6459(Top 376%)
15K9.32 mi3.11 mi18127+846406+536406+5317950(Top 63%)6289(Top 51%)6289(Top 366%)
20K12.43 mi3.11 mi18078+496382+246382+2418159(Top 64%)6429(Top 53%)6429(Top 374%)
Half13.11 mi0.68 mi18033+456359+236359+2317414(Top 61%)6010(Top 49%)6010(Top 350%)
25K15.53 mi2.42 mi18350-3176553-1946553-19419761(Top 70%)7403(Top 61%)7403(Top 431%)
30K18.64 mi3.11 mi18334+166574-216574-2118303(Top 64%)6747(Top 55%)6747(Top 393%)
20M20.00 mi1.36 mi18544-2106712-1386712-13820322(Top 72%)7980(Top 65%)7980(Top 464%)
21M21.00 mi1.00 mi18753-2096865-1536865-15320869(Top 73%)8391(Top 69%)8391(Top 488%)
35K21.75 mi0.75 mi19121-3687084-2197084-21924144(Top 85%)10146(Top 83%)10146(Top 591%)
23M23.00 mi1.25 mi19599-4787400-3167400-31623899(Top 84%)10055(Top 82%)10055(Top 585%)
24M24.00 mi1.00 mi19625-267441-417441-4119958(Top 70%)8069(Top 66%)8069(Top 470%)
40K24.85 mi0.85 mi19842-2177582-1417582-14123117(Top 81%)9771(Top 80%)9771(Top 569%)
25.2M25.20 mi0.35 mi19816+267566+167566+1617174(Top 60%)6711(Top 55%)6711(Top 391%)
Finish26.22 mi1.02 mi19775+417557+97557+918728(Top 66%)7462(Top 61%)7462(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17950

Females

6289

F40-44

6289

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18250

Females

6459

F40-44

6459

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17950

Females

6289

F40-44

6289

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18159

Females

6429

F40-44

6429

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17414

Females

6010

F40-44

6010

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19761

Females

7403

F40-44

7403

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18303

Females

6747

F40-44

6747

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20322

Females

7980

F40-44

7980

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20869

Females

8391

F40-44

8391

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24144

Females

10146

F40-44

10146

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23899

Females

10055

F40-44

10055

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19958

Females

8069

F40-44

8069

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23117

Females

9771

F40-44

9771

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17174

Females

6711

F40-44

6711

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18728

Females

7462

F40-44

7462

Passing Analysis

Category:
Athletes Passed
1422
Passed By
2976
Net Change
-1554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18221
5K → 10K274264+10#18221#18211
10K → 15K224140+84#18211#18127
15K → 20K213164+49#18127#18078
20K → Half5914+45#18078#18033
Half → 25K83400-317#18033#18350
25K → 30K248232+16#18350#18334
30K → 20M54264-210#18334#18544
20M → 21M47256-209#18544#18753
21M → 35K10378-368#18753#19121
35K → 23M18496-478#19121#19599
23M → 24M5682-26#19599#19625
24M → 40K20237-217#19625#19842
40K → 25.2M3812+26#19842#19816
25.2M → Finish7837+41#19816#19775
TOTALS14222976-1554
📊

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