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BOSTON MARATHON 2024

Brenna Mcdonough

Bib: 15074•F

WI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 31%
Division (F18-39)
#0 / 4660
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:45
Rank: #14406
Start → 5K
24:45 | 7:58/mi
10K· 6.21 mi
49:02
Rank: #13584 (+822)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:13:19
Rank: #13038 (+546)
10K → 15K
24:17 | 7:49/mi
20K· 12.43 mi
1:38:08
Rank: #12631 (+407)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:43:36
Rank: #12617 (+14)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:03:50
Rank: #12477 (+140)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:30:49
Rank: #12294 (+183)
25K → 30K
26:59 | 8:41/mi
20M
2:42:55
Rank: #12188 (+106)
30K → 20M
12:06 | 8:54/mi
21M
2:52:14
Rank: #12004 (+184)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:58:50
Rank: #11996 (+8)
21M → 35K
6:36 | 8:49/mi
23M
3:10:05
Rank: #11903 (+93)
35K → 23M
11:15 | 8:59/mi
24M
3:18:47
Rank: #11801 (+102)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:26:11
Rank: #11634 (+167)
24M → 40K
7:24 | 8:39/mi
25.2M
3:29:15
Rank: #11496 (+138)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:37:26
Rank: #11330 (+166)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:36
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:53:50
Pace8:41 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5624:457:5824:45
7:58
-
10K
6.21 mi11:23:1349:027:5324:17
7:49
-0:09
15K
9.32 mi11:47:301:13:197:5224:17
7:49
0:00
20K
12.43 mi12:12:191:38:087:5424:49
7:59
+0:10
Half
13.11 mi12:17:471:43:367:545:28
8:01
+0:02
25K
15.53 mi12:38:012:03:507:5820:14
8:21
+0:20
30K
18.64 mi13:05:002:30:498:0526:59
8:41
+0:20
20M
20.00 mi13:17:062:42:558:0912:06
8:54
+0:13
21M
21.00 mi13:26:252:52:148:129:19
9:19
+0:25
35K
21.75 mi13:33:012:58:508:136:36
8:49
-0:30
23M
23.00 mi13:44:163:10:058:1611:15
8:59
+0:10
24M
24.00 mi13:52:583:18:478:178:42
8:42
-0:17
40K
24.85 mi14:00:223:26:118:187:24
8:39
-0:03
25.2M
25.20 mi14:03:263:29:158:183:04
8:54
+0:15
Finish
26.22 mi14:11:373:37:268:188:11
8:02
-0:52

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

7:49 /mi

Average Pace

8:18 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:01

61% of race

Time at Steady Pace

1:16:06

35% of race

Time at Slower Pace

9:19

4% of race

Average Pace: 8:18 /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 mi10:58:5624:457:5824:45
7:58
#14406
10K
6.21 mi11:23:1349:027:5324:17
7:49
#13584
15K
9.32 mi11:47:301:13:197:5224:17
7:49
#13038
20K
12.43 mi12:12:191:38:087:5424:49
7:59
#12631
Half
13.11 mi12:17:471:43:367:545:28
8:01
#12617
25K
15.53 mi12:38:012:03:507:5820:14
8:21
#12477
30K
18.64 mi13:05:002:30:498:0526:59
8:41
#12294
20M
20.00 mi13:17:062:42:558:0912:06
8:54
#12188
21M
21.00 mi13:26:252:52:148:129:19
9:19
#12004
35K
21.75 mi13:33:012:58:508:136:36
8:49
#11996
23M
23.00 mi13:44:163:10:058:1611:15
8:59
#11903
24M
24.00 mi13:52:583:18:478:178:42
8:42
#11801
40K
24.85 mi14:00:223:26:118:187:24
8:39
#11634
25.2M
25.20 mi14:03:263:29:158:183:04
8:54
#11496
Finish
26.22 mi14:11:373:37:268:188:11
8:02
#11330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144064561456112067(Top 47%)3282(Top 30%)3282(Top 70%)
10K6.21 mi3.10 mi13584+8224079+4824079+48212801(Top 50%)3649(Top 33%)3649(Top 78%)
15K9.32 mi3.11 mi13038+5463776+3033776+30312067(Top 47%)3282(Top 30%)3282(Top 70%)
20K12.43 mi3.11 mi12631+4073558+2183558+21811745(Top 46%)3183(Top 29%)3183(Top 68%)
Half13.11 mi0.68 mi12617+143565-73565-712881(Top 50%)3810(Top 35%)3810(Top 82%)
25K15.53 mi2.42 mi12477+1403525+403525+4012237(Top 48%)3636(Top 33%)3636(Top 78%)
30K18.64 mi3.11 mi12294+1833516+93516+911613(Top 45%)3523(Top 32%)3523(Top 76%)
20M20.00 mi1.36 mi12188+1063509+73509+711640(Top 46%)3832(Top 35%)3832(Top 82%)
21M21.00 mi1.00 mi12004+1843468+413468+4110045(Top 39%)3254(Top 30%)3254(Top 70%)
35K21.75 mi0.75 mi11996+83498-303498-3012457(Top 49%)4505(Top 41%)4505(Top 97%)
23M23.00 mi1.25 mi11903+933518-203518-2011092(Top 43%)3942(Top 36%)3942(Top 85%)
24M24.00 mi1.00 mi11801+1023505+133505+1310601(Top 41%)3726(Top 34%)3726(Top 80%)
40K24.85 mi0.85 mi11634+1673464+413464+419190(Top 36%)3184(Top 29%)3184(Top 68%)
25.2M25.20 mi0.35 mi11496+1383408+563408+566161(Top 24%)1817(Top 17%)1817(Top 39%)
Finish26.22 mi1.02 mi11330+1663377+313377+318747(Top 34%)2938(Top 27%)2938(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12067

Females

3282

F18-39

3282

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12801

Females

3649

F18-39

3649

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12067

Females

3282

F18-39

3282

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11745

Females

3183

F18-39

3183

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12881

Females

3810

F18-39

3810

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12237

Females

3636

F18-39

3636

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11613

Females

3523

F18-39

3523

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

11640

Females

3832

F18-39

3832

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10045

Females

3254

F18-39

3254

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12457

Females

4505

F18-39

4505

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11092

Females

3942

F18-39

3942

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10601

Females

3726

F18-39

3726

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9190

Females

3184

F18-39

3184

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6161

Females

1817

F18-39

1817

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8747

Females

2938

F18-39

2938

Passing Analysis

Category:
Athletes Passed
4001
Passed By
925
Net Change
+3076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14406
5K → 10K87553+822#14406#13584
10K → 15K57630+546#13584#13038
15K → 20K48073+407#13038#12631
20K → Half5339+14#12631#12617
Half → 25K309169+140#12617#12477
25K → 30K386203+183#12477#12294
30K → 20M19185+106#12294#12188
20M → 21M22541+184#12188#12004
21M → 35K7466+8#12004#11996
35K → 23M17784+93#11996#11903
23M → 24M13937+102#11903#11801
24M → 40K18720+167#11801#11634
40K → 25.2M1402+138#11634#11496
25.2M → Finish18923+166#11496#11330
TOTALS4001925+3076
📊

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