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BOSTON MARATHON 2025

Shawna Darou

ON

Bib: 21850 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F50-54)
#0 / 1303
Top 18%
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
7:36/mi
23:36
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:37/mi
47:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:49/mi
1:11:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:53/mi
1:36:02
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:41:18
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:11/mi
2:01:09
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:55/mi
2:28:52
↑ 181↓ 1480.2%
138 ft elev
20M
9:14/mi
2:41:25
↑ 64↓ 500.2%
148 ft elev
21M
10:05/mi
2:51:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:35/mi
2:57:55
↑ 17↓ 861.7%
156 ft elev
23M
9:26/mi
3:09:44
↑ 23↓ 630.6%
116 ft elev
24M
8:31/mi
3:18:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:40/mi
3:25:40
↓ 200.3%
20 ft elev
25.2M
9:46/mi
3:29:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:49/mi
3:37:00
↑ 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
Time1:41:18
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:55:42
Pace8:50 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2023:367:3623:36
7:36
-
10K
6.21 mi11:42:0147:177:3723:41
7:37
+0:01
15K
9.32 mi12:06:171:11:337:4124:16
7:49
+0:12
20K
12.43 mi12:30:461:36:027:4424:29
7:53
+0:04
Half
13.11 mi12:36:021:41:187:445:16
7:43
-0:10
25K
15.53 mi12:55:532:01:097:4819:51
8:11
+0:28
30K
18.64 mi13:23:362:28:527:5927:43
8:55
+0:44
20M
20.00 mi13:36:092:41:258:0412:33
9:14
+0:19
21M
21.00 mi13:46:142:51:308:1010:05
10:05
+0:51
35K
21.75 mi13:52:392:57:558:116:25
8:35
-1:30
23M
23.00 mi14:04:283:09:448:1511:49
9:26
+0:51
24M
24.00 mi14:12:593:18:158:168:31
8:31
-0:55
40K
24.85 mi14:20:243:25:408:167:25
8:40
+0:09
25.2M
25.20 mi14:23:463:29:028:183:22
9:46
+1:06
Finish
26.22 mi14:31:443:37:008:177:58
7:49
-1:57

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

7:36 /mi

Average Pace

8:17 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:16

50% of race

Time at Steady Pace

42:12

19% of race

Time at Slower Pace

1:05:32

30% of race

Average Pace: 8:17 /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 mi11:18:2023:367:3623:36
7:36
#13099
10K
6.21 mi11:42:0147:177:3723:41
7:37
#13135
15K
9.32 mi12:06:171:11:337:4124:16
7:49
#13554
20K
12.43 mi12:30:461:36:027:4424:29
7:53
#13600
Half
13.11 mi12:36:021:41:187:445:16
7:43
#13605
25K
15.53 mi12:55:532:01:097:4819:51
8:11
#13886
30K
18.64 mi13:23:362:28:527:5927:43
8:55
#14595
20M
20.00 mi13:36:092:41:258:0412:33
9:14
#14903
21M
21.00 mi13:46:142:51:308:1010:05
10:05
#15149
35K
21.75 mi13:52:392:57:558:116:25
8:35
#15164
23M
23.00 mi14:04:283:09:448:1511:49
9:26
#15378
24M
24.00 mi14:12:593:18:158:168:31
8:31
#15326
40K
24.85 mi14:20:243:25:408:167:25
8:40
#15272
25.2M
25.20 mi14:23:463:29:028:183:22
9:46
#15281
Finish
26.22 mi14:31:443:37:008:177:58
7:49
#15115
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi130993378337814484(Top 51%)4304(Top 35%)4304(Top 330%)
10K6.21 mi3.10 mi13135-363424-463424-4613251(Top 47%)3528(Top 29%)3528(Top 271%)
15K9.32 mi3.11 mi13554-4193720-2963720-29614484(Top 51%)4304(Top 35%)4304(Top 330%)
20K12.43 mi3.11 mi13600-463786-663786-6613947(Top 49%)4067(Top 33%)4067(Top 312%)
Half13.11 mi0.68 mi13605-53792-63792-613666(Top 48%)3888(Top 32%)3888(Top 298%)
25K15.53 mi2.42 mi13886-2813980-1883980-18815247(Top 54%)4875(Top 40%)4875(Top 374%)
30K18.64 mi3.11 mi14595-7094442-4624442-46217266(Top 61%)6168(Top 50%)6168(Top 473%)
20M20.00 mi1.36 mi14903-3084636-1944636-19417955(Top 63%)6684(Top 55%)6684(Top 513%)
21M21.00 mi1.00 mi15149-2464808-1724808-17218609(Top 66%)7122(Top 58%)7122(Top 547%)
35K21.75 mi0.75 mi15164-154831-234831-2315949(Top 56%)5740(Top 47%)5740(Top 441%)
23M23.00 mi1.25 mi15378-2145001-1705001-17018414(Top 65%)7188(Top 59%)7188(Top 552%)
24M24.00 mi1.00 mi15326+524998+34998+314637(Top 52%)5173(Top 42%)5173(Top 397%)
40K24.85 mi0.85 mi15272+544998499814494(Top 51%)5239(Top 43%)5239(Top 402%)
25.2M25.20 mi0.35 mi15281-95014-165014-1615946(Top 56%)6051(Top 49%)6051(Top 464%)
Finish26.22 mi1.02 mi15115+1664941+734941+7311610(Top 41%)3763(Top 31%)3763(Top 289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14484

Females

4304

F50-54

4304

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13251

Females

3528

F50-54

3528

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14484

Females

4304

F50-54

4304

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13947

Females

4067

F50-54

4067

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13666

Females

3888

F50-54

3888

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15247

Females

4875

F50-54

4875

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17266

Females

6168

F50-54

6168

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17955

Females

6684

F50-54

6684

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18609

Females

7122

F50-54

7122

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15949

Females

5740

F50-54

5740

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18414

Females

7188

F50-54

7188

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14637

Females

5173

F50-54

5173

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14494

Females

5239

F50-54

5239

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15946

Females

6051

F50-54

6051

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11610

Females

3763

F50-54

3763

Passing Analysis

Category:
Athletes Passed
1395
Passed By
3411
Net Change
-2016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13099
5K → 10K267303-36#13099#13135
10K → 15K98517-419#13135#13554
15K → 20K174220-46#13554#13600
20K → Half3136-5#13600#13605
Half → 25K110391-281#13605#13886
25K → 30K97806-709#13886#14595
30K → 20M55363-308#14595#14903
20M → 21M57303-246#14903#15149
21M → 35K5772-15#15149#15164
35K → 23M58272-214#15164#15378
23M → 24M9745+52#15378#15326
24M → 40K9339+54#15326#15272
40K → 25.2M2938-9#15272#15281
25.2M → Finish1726+166#15281#15115
TOTALS13953411-2016
📊

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