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BOSTON MARATHON 2025

Brenda Mcrae

Bib: 8458•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 12%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F40-44)
#0 / 1718
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:10
Rank: #8938
Start → 5K
22:10 | 7:08/mi
10K· 6.21 mi
45:07
Rank: #10001 (-1063)
5K → 10K
22:57 | 7:23/mi
15K· 9.32 mi
1:08:16
Rank: #10431 (-430)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:31:34
Rank: #10470 (-39)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:36:43
Rank: #10551 (-81)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:54:42
Rank: #10304 (+247)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:17:55
Rank: #9697 (+607)
25K → 30K
23:13 | 7:28/mi
20M
2:28:14
Rank: #9483 (+214)
30K → 20M
10:19 | 7:36/mi
21M
2:36:15
Rank: #9320 (+163)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:41:39
Rank: #9182 (+138)
21M → 35K
5:24 | 7:13/mi
23M
2:50:53
Rank: #8910 (+272)
35K → 23M
9:14 | 7:22/mi
24M
2:58:09
Rank: #8721 (+189)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:04:27
Rank: #8555 (+166)
24M → 40K
6:18 | 7:22/mi
25.2M
3:07:14
Rank: #8491 (+64)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:14:31
Rank: #8389 (+102)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:5922:107:0822:10
7:08
-
10K
6.21 mi10:53:5645:077:1622:57
7:23
+0:15
15K
9.32 mi11:17:051:08:167:1923:09
7:27
+0:04
20K
12.43 mi11:40:231:31:347:2223:18
7:30
+0:03
Half
13.11 mi11:45:321:36:437:235:09
7:33
+0:03
25K
15.53 mi12:03:311:54:427:2317:59
7:25
-0:08
30K
18.64 mi12:26:442:17:557:2423:13
7:28
+0:03
20M
20.00 mi12:37:032:28:147:2510:19
7:36
+0:08
21M
21.00 mi12:45:042:36:157:268:01
8:01
+0:25
35K
21.75 mi12:50:282:41:397:265:24
7:13
-0:48
23M
23.00 mi12:59:422:50:537:269:14
7:22
+0:09
24M
24.00 mi13:06:582:58:097:257:16
7:16
-0:06
40K
24.85 mi13:13:163:04:277:256:18
7:22
+0:06
25.2M
25.20 mi13:16:033:07:147:262:47
8:04
+0:42
Finish
26.22 mi13:23:203:14:317:257:17
7:09
-0:55

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

7:08 /mi

Average Pace

7:25 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:43

94% of race

Time at Steady Pace

10:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:30:5922:107:0822:10
7:08
#8938
10K
6.21 mi10:53:5645:077:1622:57
7:23
#10001
15K
9.32 mi11:17:051:08:167:1923:09
7:27
#10431
20K
12.43 mi11:40:231:31:347:2223:18
7:30
#10470
Half
13.11 mi11:45:321:36:437:235:09
7:33
#10551
25K
15.53 mi12:03:311:54:427:2317:59
7:25
#10304
30K
18.64 mi12:26:442:17:557:2423:13
7:28
#9697
20M
20.00 mi12:37:032:28:147:2510:19
7:36
#9483
21M
21.00 mi12:45:042:36:157:268:01
8:01
#9320
35K
21.75 mi12:50:282:41:397:265:24
7:13
#9182
23M
23.00 mi12:59:422:50:537:269:14
7:22
#8910
24M
24.00 mi13:06:582:58:097:257:16
7:16
#8721
40K
24.85 mi13:13:163:04:277:256:18
7:22
#8555
25.2M
25.20 mi13:16:033:07:147:262:47
8:04
#8491
Finish
26.22 mi13:23:203:14:317:257:17
7:09
#8389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi89381347134711344(Top 40%)2546(Top 21%)2546(Top 148%)
10K6.21 mi3.10 mi10001-10631805-4581805-45811079(Top 39%)2339(Top 19%)2339(Top 136%)
15K9.32 mi3.11 mi10431-4302045-2402045-24011344(Top 40%)2546(Top 21%)2546(Top 148%)
20K12.43 mi3.11 mi10470-392085-402085-4010767(Top 38%)2345(Top 19%)2345(Top 136%)
Half13.11 mi0.68 mi10551-812121-362121-3612132(Top 43%)2993(Top 24%)2993(Top 174%)
25K15.53 mi2.42 mi10304+2472044+772044+779299(Top 33%)1770(Top 14%)1770(Top 103%)
30K18.64 mi3.11 mi9697+6071823+2211823+2217568(Top 27%)1224(Top 10%)1224(Top 71%)
20M20.00 mi1.36 mi9483+2141765+581765+587648(Top 27%)1394(Top 11%)1394(Top 81%)
21M21.00 mi1.00 mi9320+1631720+451720+457453(Top 26%)1487(Top 12%)1487(Top 87%)
35K21.75 mi0.75 mi9182+1381675+451675+456786(Top 24%)1207(Top 10%)1207(Top 70%)
23M23.00 mi1.25 mi8910+2721604+711604+715931(Top 21%)1003(Top 8%)1003(Top 58%)
24M24.00 mi1.00 mi8721+1891556+481556+486258(Top 22%)1173(Top 10%)1173(Top 68%)
40K24.85 mi0.85 mi8555+1661526+301526+306059(Top 21%)1167(Top 10%)1167(Top 68%)
25.2M25.20 mi0.35 mi8491+641519+71519+76399(Top 23%)1402(Top 11%)1402(Top 82%)
Finish26.22 mi1.02 mi8389+1021504+151504+156718(Top 24%)1539(Top 13%)1539(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11344

Females

2546

F40-44

2546

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11079

Females

2339

F40-44

2339

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11344

Females

2546

F40-44

2546

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10767

Females

2345

F40-44

2345

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12132

Females

2993

F40-44

2993

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9299

Females

1770

F40-44

1770

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7568

Females

1224

F40-44

1224

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7648

Females

1394

F40-44

1394

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7453

Females

1487

F40-44

1487

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6786

Females

1207

F40-44

1207

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5931

Females

1003

F40-44

1003

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6258

Females

1173

F40-44

1173

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6059

Females

1167

F40-44

1167

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6399

Females

1402

F40-44

1402

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6718

Females

1539

F40-44

1539

Passing Analysis

Category:
Athletes Passed
2599*
Passed By
2047
Net Change
+549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8938
5K → 10K301091-1063#8938#10001
10K → 15K74504-430#10001#10431
15K → 20K169207-39#10431#10470
20K → Half1596-81#10470#10551
Half → 25K28740+247#10551#10304
25K → 30K620*13+607#10304#9697
30K → 20M22915+214#9697#9483
20M → 21M18522+163#9483#9320
21M → 35K1424+138#9320#9182
35K → 23M2797+272#9182#8910
23M → 24M20011+189#8910#8721
24M → 40K17610+166#8721#8555
40K → 25.2M717+64#8555#8491
25.2M → Finish12220+102#8491#8389
TOTALS2599*2047+549

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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