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BOSTON MARATHON 2025

Darci Whitney

Bib: 16918•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 36%
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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
52:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:19:52
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:47:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:15:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:40/mi
2:45:16
↑ 181↓ 1480.2%
20M
9:24/mi
2:58:02
↑ 64↓ 500.2%
21M
10:00/mi
3:08:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:14:38
↑ 17↓ 861.7%
23M
9:04/mi
3:25:59
↑ 23↓ 630.6%
24M
8:49/mi
3:34:48
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:42:22
↓ 200.3%
25.2M
10:12/mi
3:45:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
3:54:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:01:28
Pace9:16 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:2725:248:1125:24
8:11
-
10K
6.21 mi11:26:5352:508:3027:26
8:50
+0:39
15K
9.32 mi11:53:551:19:528:3427:02
8:42
-0:08
20K
12.43 mi12:21:401:47:378:4027:45
8:56
+0:14
Half
13.11 mi12:27:301:53:278:395:50
8:33
-0:23
25K
15.53 mi12:49:162:15:138:4221:46
8:59
+0:26
30K
18.64 mi13:19:192:45:168:5230:03
9:40
+0:41
20M
20.00 mi13:32:052:58:028:5412:46
9:24
-0:16
21M
21.00 mi13:42:053:08:028:5710:00
10:00
+0:36
35K
21.75 mi13:48:413:14:388:576:36
8:49
-1:11
23M
23.00 mi14:00:023:25:598:5711:21
9:04
+0:15
24M
24.00 mi14:08:513:34:488:578:49
8:49
-0:15
40K
24.85 mi14:16:253:42:228:577:34
8:51
+0:02
25.2M
25.20 mi14:19:563:45:538:583:31
10:12
+1:21
Finish
26.22 mi14:28:583:54:558:589:02
8:52
-1:20

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

8:11 /mi

Average Pace

8:58 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:14

13% of race

Time at Steady Pace

2:27:21

63% of race

Time at Slower Pace

56:20

24% of race

Average Pace: 8:58 /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 mi10:59:2725:248:1125:24
8:11
#17955
10K
6.21 mi11:26:5352:508:3027:26
8:50
#19855
15K
9.32 mi11:53:551:19:528:3427:02
8:42
#20072
20K
12.43 mi12:21:401:47:378:4027:45
8:56
#20191
Half
13.11 mi12:27:301:53:278:395:50
8:33
#20140
25K
15.53 mi12:49:162:15:138:4221:46
8:59
#20083
30K
18.64 mi13:19:192:45:168:5230:03
9:40
#20212
20M
20.00 mi13:32:052:58:028:5412:46
9:24
#20092
21M
21.00 mi13:42:053:08:028:5710:00
10:00
#19964
35K
21.75 mi13:48:413:14:388:576:36
8:49
#19872
23M
23.00 mi14:00:023:25:598:5711:21
9:04
#19684
24M
24.00 mi14:08:513:34:488:578:49
8:49
#19548
40K
24.85 mi14:16:253:42:228:577:34
8:51
#19400
25.2M
25.20 mi14:19:563:45:538:583:31
10:12
#19363
Finish
26.22 mi14:28:583:54:558:589:02
8:52
#19320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi179556317631720497(Top 72%)7707(Top 63%)7707(Top 775%)
10K6.21 mi3.10 mi19855-19007387-10707387-107021545(Top 76%)8333(Top 68%)8333(Top 838%)
15K9.32 mi3.11 mi20072-2177508-1217508-12120497(Top 72%)7707(Top 63%)7707(Top 775%)
20K12.43 mi3.11 mi20191-1197584-767584-7620628(Top 73%)7848(Top 64%)7848(Top 790%)
Half13.11 mi0.68 mi20140+517553+317553+3119532(Top 69%)7188(Top 59%)7188(Top 723%)
25K15.53 mi2.42 mi20083+577534+197534+1919791(Top 70%)7410(Top 61%)7410(Top 745%)
30K18.64 mi3.11 mi20212-1297645-1117645-11120610(Top 73%)7994(Top 65%)7994(Top 804%)
20M20.00 mi1.36 mi20092+1207601+447601+4418726(Top 66%)7116(Top 58%)7116(Top 716%)
21M21.00 mi1.00 mi19964+1287550+517550+5118293(Top 64%)6940(Top 57%)6940(Top 698%)
35K21.75 mi0.75 mi19872+927511+397511+3917386(Top 61%)6573(Top 54%)6573(Top 661%)
23M23.00 mi1.25 mi19684+1887441+707441+7016642(Top 59%)6243(Top 51%)6243(Top 628%)
24M24.00 mi1.00 mi19548+1367391+507391+5016435(Top 58%)6171(Top 50%)6171(Top 621%)
40K24.85 mi0.85 mi19400+1487322+697322+6915496(Top 55%)5801(Top 47%)5801(Top 584%)
25.2M25.20 mi0.35 mi19363+377312+107312+1017891(Top 63%)7069(Top 58%)7069(Top 711%)
Finish26.22 mi1.02 mi19320+437306+67306+618377(Top 65%)7275(Top 59%)7275(Top 732%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20497

Females

7707

F55-59

7707

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21545

Females

8333

F55-59

8333

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20497

Females

7707

F55-59

7707

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20628

Females

7848

F55-59

7848

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19532

Females

7188

F55-59

7188

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19791

Females

7410

F55-59

7410

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20610

Females

7994

F55-59

7994

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18726

Females

7116

F55-59

7116

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18293

Females

6940

F55-59

6940

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17386

Females

6573

F55-59

6573

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16642

Females

6243

F55-59

6243

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16435

Females

6171

F55-59

6171

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15496

Females

5801

F55-59

5801

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17891

Females

7069

F55-59

7069

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18377

Females

7275

F55-59

7275

Passing Analysis

Category:
Athletes Passed
1775
Passed By
3140
Net Change
-1365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17955
5K → 10K191919-1900#17955#19855
10K → 15K122339-217#19855#20072
15K → 20K146265-119#20072#20191
20K → Half6312+51#20191#20140
Half → 25K186129+57#20140#20083
25K → 30K187316-129#20083#20212
30K → 20M15939+120#20212#20092
20M → 21M15729+128#20092#19964
21M → 35K10210+92#19964#19872
35K → 23M20315+188#19872#19684
23M → 24M1459+136#19684#19548
24M → 40K1513+148#19548#19400
40K → 25.2M5114+37#19400#19363
25.2M → Finish8441+43#19363#19320
TOTALS17753140-1365
📊

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