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BOSTON MARATHON 2025

Anna Simmons

Bib: 20097•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #16593
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
49:40
Rank: #16460 (+133)
5K → 10K
24:49 | 7:59/mi
15K· 9.32 mi
1:14:49
Rank: #16534 (-74)
10K → 15K
25:09 | 8:06/mi
20K· 12.43 mi
1:41:05
Rank: #16933 (-399)
15K → 20K
26:16 | 8:27/mi
Half· 13.11 mi
1:46:39
Rank: #16930 (+3)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:45
Rank: #16708 (+222)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:33:20
Rank: #16381 (+327)
25K → 30K
26:35 | 8:33/mi
20M
2:45:10
Rank: #16250 (+131)
30K → 20M
11:50 | 8:42/mi
21M
2:54:37
Rank: #16180 (+70)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
3:01:03
Rank: #16143 (+37)
21M → 35K
6:26 | 8:36/mi
23M
3:12:15
Rank: #16073 (+70)
35K → 23M
11:12 | 8:57/mi
24M
3:21:03
Rank: #16073
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:28:36
Rank: #16033 (+40)
24M → 40K
7:33 | 8:50/mi
25.2M
3:31:57
Rank: #16012 (+21)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:40:21
Rank: #15962 (+50)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:39
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2124:518:0024:51
8:00
-
10K
6.21 mi11:42:1049:408:0024:49
7:59
-0:01
15K
9.32 mi12:07:191:14:498:0225:09
8:06
+0:07
20K
12.43 mi12:33:351:41:058:0826:16
8:27
+0:21
Half
13.11 mi12:39:091:46:398:085:34
8:10
-0:17
25K
15.53 mi12:59:152:06:458:1020:06
8:17
+0:07
30K
18.64 mi13:25:502:33:208:1426:35
8:33
+0:16
20M
20.00 mi13:37:402:45:108:1511:50
8:42
+0:09
21M
21.00 mi13:47:072:54:378:199:27
9:27
+0:45
35K
21.75 mi13:53:333:01:038:196:26
8:36
-0:51
23M
23.00 mi14:04:453:12:158:2211:12
8:57
+0:21
24M
24.00 mi14:13:333:21:038:238:48
8:48
-0:09
40K
24.85 mi14:21:063:28:368:247:33
8:50
+0:02
25.2M
25.20 mi14:24:273:31:578:253:21
9:43
+0:53
Finish
26.22 mi14:32:513:40:218:258:24
8:15
-1:28

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

7:59 /mi

Average Pace

8:25 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:53

49% of race

Time at Steady Pace

1:11:07

32% of race

Time at Slower Pace

40:21

18% of race

Average Pace: 8:24 /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 mi11:17:2124:518:0024:51
8:00
#16593
10K
6.21 mi11:42:1049:408:0024:49
7:59
#16460
15K
9.32 mi12:07:191:14:498:0225:09
8:06
#16534
20K
12.43 mi12:33:351:41:058:0826:16
8:27
#16933
Half
13.11 mi12:39:091:46:398:085:34
8:10
#16930
25K
15.53 mi12:59:152:06:458:1020:06
8:17
#16708
30K
18.64 mi13:25:502:33:208:1426:35
8:33
#16381
20M
20.00 mi13:37:402:45:108:1511:50
8:42
#16250
21M
21.00 mi13:47:072:54:378:199:27
9:27
#16180
35K
21.75 mi13:53:333:01:038:196:26
8:36
#16143
23M
23.00 mi14:04:453:12:158:2211:12
8:57
#16073
24M
24.00 mi14:13:333:21:038:238:48
8:48
#16073
40K
24.85 mi14:21:063:28:368:247:33
8:50
#16033
25.2M
25.20 mi14:24:273:31:578:253:21
9:43
#16012
Finish
26.22 mi14:32:513:40:218:258:24
8:15
#15962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165935511551116714(Top 59%)5567(Top 46%)5567(Top 324%)
10K6.21 mi3.10 mi16460+1335417+945417+9416395(Top 58%)5365(Top 44%)5365(Top 312%)
15K9.32 mi3.11 mi16534-745449-325449-3216714(Top 59%)5567(Top 46%)5567(Top 324%)
20K12.43 mi3.11 mi16933-3995701-2525701-25217918(Top 63%)6292(Top 51%)6292(Top 366%)
Half13.11 mi0.68 mi16930+35699+25699+217049(Top 60%)5787(Top 47%)5787(Top 337%)
25K15.53 mi2.42 mi16708+2225589+1105589+11015866(Top 56%)5237(Top 43%)5237(Top 305%)
30K18.64 mi3.11 mi16381+3275462+1275462+12715137(Top 53%)4980(Top 41%)4980(Top 290%)
20M20.00 mi1.36 mi16250+1315407+555407+5515142(Top 53%)5122(Top 42%)5122(Top 298%)
21M21.00 mi1.00 mi16180+705399+85399+815869(Top 56%)5638(Top 46%)5638(Top 328%)
35K21.75 mi0.75 mi16143+375408-95408-916082(Top 57%)5825(Top 48%)5825(Top 339%)
23M23.00 mi1.25 mi16073+705397+115397+1115965(Top 56%)5865(Top 48%)5865(Top 341%)
24M24.00 mi1.00 mi160735421-245421-2416335(Top 58%)6115(Top 50%)6115(Top 356%)
40K24.85 mi0.85 mi16033+405422-15422-115374(Top 54%)5731(Top 47%)5731(Top 334%)
25.2M25.20 mi0.35 mi16012+215427-55427-515730(Top 55%)5941(Top 49%)5941(Top 346%)
Finish26.22 mi1.02 mi15962+505412+155412+1514587(Top 51%)5255(Top 43%)5255(Top 306%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16714

Females

5567

F40-44

5567

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16395

Females

5365

F40-44

5365

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16714

Females

5567

F40-44

5567

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17918

Females

6292

F40-44

6292

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17049

Females

5787

F40-44

5787

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15866

Females

5237

F40-44

5237

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15137

Females

4980

F40-44

4980

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15142

Females

5122

F40-44

5122

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15869

Females

5638

F40-44

5638

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16082

Females

5825

F40-44

5825

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15965

Females

5865

F40-44

5865

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16335

Females

6115

F40-44

6115

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15374

Females

5731

F40-44

5731

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15730

Females

5941

F40-44

5941

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14587

Females

5255

F40-44

5255

Passing Analysis

Category:
Athletes Passed
2159
Passed By
1528
Net Change
+631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16593
5K → 10K365232+133#16593#16460
10K → 15K183257-74#16460#16534
15K → 20K91490-399#16534#16933
20K → Half3330+3#16933#16930
Half → 25K27250+222#16930#16708
25K → 30K40578+327#16708#16381
30K → 20M16332+131#16381#16250
20M → 21M14171+70#16250#16180
21M → 35K7942+37#16180#16143
35K → 23M14373+70#16143#16073
23M → 24M66660#16073#16073
24M → 40K8343+40#16073#16033
40K → 25.2M4322+21#16033#16012
25.2M → Finish9242+50#16012#15962
TOTALS21591528+631
📊

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