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BOSTON MARATHON 2025

Stacy Chick

Bib: 20596•F

CO

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #17454
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
50:13
Rank: #17142 (+312)
5K → 10K
25:01 | 8:03/mi
15K· 9.32 mi
1:16:32
Rank: #17828 (-686)
10K → 15K
26:19 | 8:28/mi
20K· 12.43 mi
1:45:41
Rank: #19295 (-1467)
15K → 20K
29:09 | 9:23/mi
Half· 13.11 mi
1:51:50
Rank: #19466 (-171)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:15:16
Rank: #20111 (-645)
Half → 25K
23:26 | 9:40/mi
30K· 18.64 mi
2:46:51
Rank: #20631 (-520)
25K → 30K
31:35 | 10:10/mi
20M
3:00:01
Rank: #20563 (+68)
30K → 20M
13:10 | 9:41/mi
21M
3:12:15
Rank: #20904 (-341)
20M → 21M
12:14 | 12:14/mi
35K· 21.75 mi
3:18:57
Rank: #20794 (+110)
21M → 35K
6:42 | 8:57/mi
23M
3:30:41
Rank: #20645 (+149)
35K → 23M
11:44 | 9:22/mi
24M
3:40:33
Rank: #20679 (-34)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
3:48:27
Rank: #20588 (+91)
24M → 40K
7:54 | 9:14/mi
25.2M
3:52:03
Rank: #20574 (+14)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:01:36
Rank: #20586 (-12)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:50
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:09:46
Pace9:54 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4625:128:0725:12
8:07
-
10K
6.21 mi11:47:4750:138:0525:01
8:03
-0:04
15K
9.32 mi12:14:061:16:328:1326:19
8:28
+0:25
20K
12.43 mi12:43:151:45:418:3029:09
9:23
+0:55
Half
13.11 mi12:49:241:51:508:326:09
9:01
-0:22
25K
15.53 mi13:12:502:15:168:4223:26
9:40
+0:39
30K
18.64 mi13:44:252:46:518:5731:35
10:10
+0:30
20M
20.00 mi13:57:353:00:019:0013:10
9:41
-0:29
21M
21.00 mi14:09:493:12:159:0912:14
12:14
+2:33
35K
21.75 mi14:16:313:18:579:096:42
8:57
-3:17
23M
23.00 mi14:28:153:30:419:1011:44
9:22
+0:25
24M
24.00 mi14:38:073:40:339:119:52
9:52
+0:30
40K
24.85 mi14:46:013:48:279:117:54
9:14
-0:38
25.2M
25.20 mi14:49:373:52:039:133:36
10:26
+1:12
Finish
26.22 mi14:59:104:01:369:139:33
9:22
-1:04

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

8:03 /mi

Average Pace

9:13 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:32

32% of race

Time at Steady Pace

1:47:47

45% of race

Time at Slower Pace

57:17

24% of race

Average Pace: 9:13 /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 mi11:22:4625:128:0725:12
8:07
#17454
10K
6.21 mi11:47:4750:138:0525:01
8:03
#17142
15K
9.32 mi12:14:061:16:328:1326:19
8:28
#17828
20K
12.43 mi12:43:151:45:418:3029:09
9:23
#19295
Half
13.11 mi12:49:241:51:508:326:09
9:01
#19466
25K
15.53 mi13:12:502:15:168:4223:26
9:40
#20111
30K
18.64 mi13:44:252:46:518:5731:35
10:10
#20631
20M
20.00 mi13:57:353:00:019:0013:10
9:41
#20563
21M
21.00 mi14:09:493:12:159:0912:14
12:14
#20904
35K
21.75 mi14:16:313:18:579:096:42
8:57
#20794
23M
23.00 mi14:28:153:30:419:1011:44
9:22
#20645
24M
24.00 mi14:38:073:40:339:119:52
9:52
#20679
40K
24.85 mi14:46:013:48:279:117:54
9:14
#20588
25.2M
25.20 mi14:49:373:52:039:133:36
10:26
#20574
Finish
26.22 mi14:59:104:01:369:139:33
9:22
#20586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi174546009600919166(Top 67%)6990(Top 57%)6990(Top 407%)
10K6.21 mi3.10 mi17142+3125814+1955814+19516878(Top 59%)5637(Top 46%)5637(Top 328%)
15K9.32 mi3.11 mi17828-6866226-4126226-41219166(Top 67%)6990(Top 57%)6990(Top 407%)
20K12.43 mi3.11 mi19295-14677077-8517077-85122518(Top 79%)8873(Top 73%)8873(Top 516%)
Half13.11 mi0.68 mi19466-1717172-957172-9521889(Top 77%)8525(Top 70%)8525(Top 496%)
25K15.53 mi2.42 mi20111-6457550-3787550-37822401(Top 79%)8875(Top 73%)8875(Top 517%)
30K18.64 mi3.11 mi20631-5207889-3397889-33922102(Top 78%)8818(Top 72%)8818(Top 513%)
20M20.00 mi1.36 mi20563+687863+267863+2619918(Top 70%)7738(Top 63%)7738(Top 450%)
21M21.00 mi1.00 mi20904-3418070-2078070-20723994(Top 84%)10028(Top 82%)10028(Top 584%)
35K21.75 mi0.75 mi20794+1108029+418029+4118070(Top 64%)6952(Top 57%)6952(Top 405%)
23M23.00 mi1.25 mi20645+1497966+637966+6318132(Top 64%)7056(Top 58%)7056(Top 411%)
24M24.00 mi1.00 mi20679-348002-368002-3620958(Top 74%)8576(Top 70%)8576(Top 499%)
40K24.85 mi0.85 mi20588+917975+277975+2717587(Top 62%)6920(Top 57%)6920(Top 403%)
25.2M25.20 mi0.35 mi20574+147976-17976-118849(Top 66%)7560(Top 62%)7560(Top 440%)
Finish26.22 mi1.02 mi20586-127988-127988-1220683(Top 73%)8488(Top 69%)8488(Top 494%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19166

Females

6990

F40-44

6990

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16878

Females

5637

F40-44

5637

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19166

Females

6990

F40-44

6990

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22518

Females

8873

F40-44

8873

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21889

Females

8525

F40-44

8525

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22401

Females

8875

F40-44

8875

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22102

Females

8818

F40-44

8818

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19918

Females

7738

F40-44

7738

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23994

Females

10028

F40-44

10028

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18070

Females

6952

F40-44

6952

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18132

Females

7056

F40-44

7056

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20958

Females

8576

F40-44

8576

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17587

Females

6920

F40-44

6920

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18849

Females

7560

F40-44

7560

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20683

Females

8488

F40-44

8488

Passing Analysis

Category:
Athletes Passed
1363
Passed By
4495
Net Change
-3132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17454
5K → 10K470158+312#17454#17142
10K → 15K51737-686#17142#17828
15K → 20K191486-1467#17828#19295
20K → Half5176-171#19295#19466
Half → 25K37682-645#19466#20111
25K → 30K108628-520#20111#20631
30K → 20M13365+68#20631#20563
20M → 21M31372-341#20563#20904
21M → 35K1188+110#20904#20794
35K → 23M17021+149#20794#20645
23M → 24M4680-34#20645#20679
24M → 40K10817+91#20679#20588
40K → 25.2M3218+14#20588#20574
25.2M → Finish3547-12#20574#20586
TOTALS13634495-3132
📊

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