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BOSTON MARATHON 2025

Chrysanthemum Lawson

Bib: 15957•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F50-54)
#0 / 1303
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:14
Rank: #14828
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
48:47
Rank: #15263 (-435)
5K → 10K
24:33 | 7:54/mi
15K· 9.32 mi
1:13:32
Rank: #15420 (-157)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:38:38
Rank: #15426 (-6)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:44:11
Rank: #15514 (-88)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:04:10
Rank: #15501 (+13)
Half → 25K
19:59 | 8:15/mi
30K· 18.64 mi
2:31:50
Rank: #15841 (-340)
25K → 30K
27:40 | 8:54/mi
20M
2:43:55
Rank: #15839 (+2)
30K → 20M
12:05 | 8:54/mi
21M
2:53:37
Rank: #15862 (-23)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:00:12
Rank: #15876 (-14)
21M → 35K
6:35 | 8:48/mi
23M
3:11:37
Rank: #15895 (-19)
35K → 23M
11:25 | 9:07/mi
24M
3:20:23
Rank: #15902 (-7)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:28:37
Rank: #16039 (-137)
24M → 40K
8:14 | 9:38/mi
25.2M
3:32:06
Rank: #16050 (-11)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:41:51
Rank: #16330 (-280)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4024:147:4824:14
7:48
-
10K
6.21 mi11:40:1348:477:5124:33
7:54
+0:06
15K
9.32 mi12:04:581:13:327:5324:45
7:58
+0:04
20K
12.43 mi12:30:041:38:387:5625:06
8:05
+0:07
Half
13.11 mi12:35:371:44:117:575:33
8:08
+0:03
25K
15.53 mi12:55:362:04:108:0019:59
8:15
+0:07
30K
18.64 mi13:23:162:31:508:0927:40
8:54
+0:39
20M
20.00 mi13:35:212:43:558:1212:05
8:54
0:00
21M
21.00 mi13:45:032:53:378:169:42
9:42
+0:48
35K
21.75 mi13:51:383:00:128:176:35
8:48
-0:54
23M
23.00 mi14:03:033:11:378:2011:25
9:07
+0:19
24M
24.00 mi14:11:493:20:238:218:46
8:46
-0:21
40K
24.85 mi14:20:033:28:378:248:14
9:38
+0:52
25.2M
25.20 mi14:23:323:32:068:253:29
10:06
+0:28
Finish
26.22 mi14:33:173:41:518:289:45
9:34
-0:32

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

7:48 /mi

Average Pace

8:28 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:10

56% of race

Time at Steady Pace

1:06:31

30% of race

Time at Slower Pace

31:10

14% of race

Average Pace: 8:28 /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 mi11:15:4024:147:4824:14
7:48
#14828
10K
6.21 mi11:40:1348:477:5124:33
7:54
#15263
15K
9.32 mi12:04:581:13:327:5324:45
7:58
#15420
20K
12.43 mi12:30:041:38:387:5625:06
8:05
#15426
Half
13.11 mi12:35:371:44:117:575:33
8:08
#15514
25K
15.53 mi12:55:362:04:108:0019:59
8:15
#15501
30K
18.64 mi13:23:162:31:508:0927:40
8:54
#15841
20M
20.00 mi13:35:212:43:558:1212:05
8:54
#15839
21M
21.00 mi13:45:032:53:378:169:42
9:42
#15862
35K
21.75 mi13:51:383:00:128:176:35
8:48
#15876
23M
23.00 mi14:03:033:11:378:2011:25
9:07
#15895
24M
24.00 mi14:11:493:20:238:218:46
8:46
#15902
40K
24.85 mi14:20:033:28:378:248:14
9:38
#16039
25.2M
25.20 mi14:23:323:32:068:253:29
10:06
#16050
Finish
26.22 mi14:33:173:41:518:289:45
9:34
#16330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi148284425442515801(Top 56%)5038(Top 41%)5038(Top 387%)
10K6.21 mi3.10 mi15263-4354702-2774702-27715695(Top 55%)4945(Top 40%)4945(Top 380%)
15K9.32 mi3.11 mi15420-1574800-984800-9815801(Top 56%)5038(Top 41%)5038(Top 387%)
20K12.43 mi3.11 mi15426-64821-214821-2115507(Top 55%)4918(Top 40%)4918(Top 377%)
Half13.11 mi0.68 mi15514-884870-494870-4916906(Top 60%)5709(Top 47%)5709(Top 438%)
25K15.53 mi2.42 mi15501+134889-194889-1915588(Top 55%)5072(Top 41%)5072(Top 389%)
30K18.64 mi3.11 mi15841-3405131-2425131-24217185(Top 61%)6122(Top 50%)6122(Top 470%)
20M20.00 mi1.36 mi15839+25176-455176-4516199(Top 57%)5718(Top 47%)5718(Top 439%)
21M21.00 mi1.00 mi15862-235227-515227-5117047(Top 60%)6281(Top 51%)6281(Top 482%)
35K21.75 mi0.75 mi15876-145254-275254-2717257(Top 61%)6492(Top 53%)6492(Top 498%)
23M23.00 mi1.25 mi15895-195308-545308-5416932(Top 60%)6407(Top 52%)6407(Top 492%)
24M24.00 mi1.00 mi15902-75322-145322-1416138(Top 57%)6007(Top 49%)6007(Top 461%)
40K24.85 mi0.85 mi16039-1375428-1065428-10619209(Top 68%)7729(Top 63%)7729(Top 593%)
25.2M25.20 mi0.35 mi16050-115443-155443-1517485(Top 62%)6839(Top 56%)6839(Top 525%)
Finish26.22 mi1.02 mi16330-2805624-1815624-18121434(Top 75%)8872(Top 73%)8872(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15801

Females

5038

F50-54

5038

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15695

Females

4945

F50-54

4945

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15801

Females

5038

F50-54

5038

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15507

Females

4918

F50-54

4918

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16906

Females

5709

F50-54

5709

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15588

Females

5072

F50-54

5072

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17185

Females

6122

F50-54

6122

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16199

Females

5718

F50-54

5718

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17047

Females

6281

F50-54

6281

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17257

Females

6492

F50-54

6492

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16932

Females

6407

F50-54

6407

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16138

Females

6007

F50-54

6007

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19209

Females

7729

F50-54

7729

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17485

Females

6839

F50-54

6839

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21434

Females

8872

F50-54

8872

Passing Analysis

Category:
Athletes Passed
1387
Passed By
2889
Net Change
-1502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14828
5K → 10K148583-435#14828#15263
10K → 15K154311-157#15263#15420
15K → 20K206212-6#15420#15426
20K → Half14102-88#15426#15514
Half → 25K178165+13#15514#15501
25K → 30K136476-340#15501#15841
30K → 20M123121+2#15841#15839
20M → 21M108131-23#15839#15862
21M → 35K6276-14#15862#15876
35K → 23M108127-19#15876#15895
23M → 24M6572-7#15895#15902
24M → 40K36173-137#15902#16039
40K → 25.2M2940-11#16039#16050
25.2M → Finish20300-280#16050#16330
TOTALS13872889-1502
📊

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