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BOSTON MARATHON 2024

Brenda Mcrae

Bib: 7918•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 24%
Masters (Masters Women)
#0 / 6263
Top 12%
Division (F40-44)
#0 / 1613
Top 25%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:01
Rank: #12540
Start → 5K
24:01 | 7:44/mi
10K· 6.21 mi
48:42
Rank: #13132 (-592)
5K → 10K
24:41 | 7:57/mi
15K· 9.32 mi
1:13:21
Rank: #13064 (+68)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:38:26
Rank: #12792 (+272)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:43:52
Rank: #12774 (+18)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:03:36
Rank: #12389 (+385)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:29:11
Rank: #11683 (+706)
25K → 30K
25:35 | 8:14/mi
20M
2:40:26
Rank: #11353 (+330)
30K → 20M
11:15 | 8:17/mi
21M
2:49:21
Rank: #11066 (+287)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:55:18
Rank: #10866 (+200)
21M → 35K
5:57 | 7:57/mi
23M
3:05:22
Rank: #10494 (+372)
35K → 23M
10:04 | 8:02/mi
24M
3:13:21
Rank: #10276 (+218)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:20:14
Rank: #10091 (+185)
24M → 40K
6:53 | 8:03/mi
25.2M
3:23:16
Rank: #9981 (+110)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:31:07
Rank: #9822 (+159)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:1324:017:4424:01
7:44
-
10K
6.21 mi10:55:5448:427:5024:41
7:57
+0:13
15K
9.32 mi11:20:331:13:217:5224:39
7:56
-0:01
20K
12.43 mi11:45:381:38:267:5525:05
8:04
+0:08
Half
13.11 mi11:51:041:43:527:555:26
7:58
-0:06
25K
15.53 mi12:10:482:03:367:5719:44
8:08
+0:10
30K
18.64 mi12:36:232:29:118:0025:35
8:14
+0:06
20M
20.00 mi12:47:382:40:268:0111:15
8:17
+0:03
21M
21.00 mi12:56:332:49:218:048:55
8:55
+0:38
35K
21.75 mi13:02:302:55:188:045:57
7:57
-0:58
23M
23.00 mi13:12:343:05:228:0410:04
8:02
+0:05
24M
24.00 mi13:20:333:13:218:037:59
7:59
-0:03
40K
24.85 mi13:27:263:20:148:036:53
8:03
+0:04
25.2M
25.20 mi13:30:283:23:168:043:02
8:48
+0:45
Finish
26.22 mi13:38:193:31:078:037:51
7:42
-1:06

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

7:42 /mi

Average Pace

8:03 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:10

94% of race

Time at Steady Pace

11:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi10:31:1324:017:4424:01
7:44
#12540
10K
6.21 mi10:55:5448:427:5024:41
7:57
#13132
15K
9.32 mi11:20:331:13:217:5224:39
7:56
#13064
20K
12.43 mi11:45:381:38:267:5525:05
8:04
#12792
Half
13.11 mi11:51:041:43:527:555:26
7:58
#12774
25K
15.53 mi12:10:482:03:367:5719:44
8:08
#12389
30K
18.64 mi12:36:232:29:118:0025:35
8:14
#11683
20M
20.00 mi12:47:382:40:268:0111:15
8:17
#11353
21M
21.00 mi12:56:332:49:218:048:55
8:55
#11066
35K
21.75 mi13:02:302:55:188:045:57
7:57
#10866
23M
23.00 mi13:12:343:05:228:0410:04
8:02
#10494
24M
24.00 mi13:20:333:13:218:037:59
7:59
#10276
40K
24.85 mi13:27:263:20:148:036:53
8:03
#10091
25.2M
25.20 mi13:30:283:23:168:043:02
8:48
#9981
Finish
26.22 mi13:38:193:31:078:037:51
7:42
#9822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125403434343412963(Top 51%)3774(Top 35%)3774(Top 234%)
10K6.21 mi3.10 mi13132-5923802-3683802-36813796(Top 54%)4226(Top 39%)4226(Top 262%)
15K9.32 mi3.11 mi13064+683792+103792+1012963(Top 51%)3774(Top 35%)3774(Top 234%)
20K12.43 mi3.11 mi12792+2723647+1453647+14512345(Top 48%)3498(Top 32%)3498(Top 217%)
Half13.11 mi0.68 mi12774+183653-63653-612507(Top 49%)3584(Top 33%)3584(Top 222%)
25K15.53 mi2.42 mi12389+3853473+1803473+18011021(Top 43%)2970(Top 27%)2970(Top 184%)
30K18.64 mi3.11 mi11683+7063182+2913182+2919216(Top 36%)2322(Top 21%)2322(Top 144%)
20M20.00 mi1.36 mi11353+3303061+1213061+1218301(Top 32%)2133(Top 20%)2133(Top 132%)
21M21.00 mi1.00 mi11066+2872963+982963+988192(Top 32%)2284(Top 21%)2284(Top 142%)
35K21.75 mi0.75 mi10866+2002905+582905+587550(Top 30%)2020(Top 18%)2020(Top 125%)
23M23.00 mi1.25 mi10494+3722781+1242781+1245977(Top 23%)1447(Top 13%)1447(Top 90%)
24M24.00 mi1.00 mi10276+2182715+662715+666583(Top 26%)1807(Top 17%)1807(Top 112%)
40K24.85 mi0.85 mi10091+1852662+532662+536088(Top 24%)1705(Top 16%)1705(Top 106%)
25.2M25.20 mi0.35 mi9981+1102619+432619+435725(Top 22%)1596(Top 15%)1596(Top 99%)
Finish26.22 mi1.02 mi9822+1592583+362583+366800(Top 27%)2022(Top 19%)2022(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

12963

Females

3774

F40-44

3774

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

13796

Females

4226

F40-44

4226

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

12963

Females

3774

F40-44

3774

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12345

Females

3498

F40-44

3498

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12507

Females

3584

F40-44

3584

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11021

Females

2970

F40-44

2970

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9216

Females

2322

F40-44

2322

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8301

Females

2133

F40-44

2133

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8192

Females

2284

F40-44

2284

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7550

Females

2020

F40-44

2020

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

5977

Females

1447

F40-44

1447

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6583

Females

1807

F40-44

1807

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6088

Females

1705

F40-44

1705

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5725

Females

1596

F40-44

1596

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

6800

Females

2022

F40-44

2022

Passing Analysis

Category:
Athletes Passed
3922*
Passed By
1204
Net Change
+2718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12540
5K → 10K109701-592#12540#13132
10K → 15K249181+68#13132#13064
15K → 20K402130+272#13064#12792
20K → Half5537+18#12792#12774
Half → 25K43752+385#12774#12389
25K → 30K73327+706#12389#11683
30K → 20M34010+330#11683#11353
20M → 21M31225+287#11353#11066
21M → 35K2066+200#11066#10866
35K → 23M3764+372#10866#10494
23M → 24M22810+218#10494#10276
24M → 40K189*4+185#10276#10091
40K → 25.2M113*3+110#10091#9981
25.2M → Finish17314+159#9981#9822
TOTALS3922*1204+2718

* 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