Boston Marathon logo
BOSTON MARATHON 2024

Grace Mcdermott

Bib: 12957•F

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 24%
Division (F18-39)
#0 / 4660
Top 39%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:03
Rank: #10126
Start → 5K
23:03 | 7:25/mi
10K· 6.21 mi
45:53
Rank: #9515 (+611)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:09:11
Rank: #9526 (-11)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:03
Rank: #9545 (-19)
15K → 20K
23:52 | 7:41/mi
Half· 13.11 mi
1:38:17
Rank: #9569 (-24)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:57:25
Rank: #9501 (+68)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:23:00
Rank: #9330 (+171)
25K → 30K
25:35 | 8:14/mi
20M
2:34:49
Rank: #9371 (-41)
30K → 20M
11:49 | 8:42/mi
21M
2:43:43
Rank: #9209 (+162)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:50:10
Rank: #9258 (-49)
21M → 35K
6:27 | 8:37/mi
23M
3:01:45
Rank: #9419 (-161)
35K → 23M
11:35 | 9:15/mi
24M
3:11:07
Rank: #9662 (-243)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:19:26
Rank: #9887 (-225)
24M → 40K
8:19 | 9:44/mi
25.2M
3:23:07
Rank: #9941 (-54)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:31:04
Rank: #9816 (+125)
25.2M → Finish
7:57 | 7:48/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:17
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:52:47
Pace8:36 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5623:037:2523:03
7:25
-
10K
6.21 mi11:14:4645:537:2322:50
7:21
-0:04
15K
9.32 mi11:38:041:09:117:2523:18
7:30
+0:09
20K
12.43 mi12:01:561:33:037:2923:52
7:41
+0:11
Half
13.11 mi12:07:101:38:177:305:14
7:40
-0:01
25K
15.53 mi12:26:181:57:257:3419:08
7:53
+0:13
30K
18.64 mi12:51:532:23:007:4025:35
8:14
+0:21
20M
20.00 mi13:03:422:34:497:4411:49
8:42
+0:28
21M
21.00 mi13:12:362:43:437:488:54
8:54
+0:12
35K
21.75 mi13:19:032:50:107:496:27
8:37
-0:17
23M
23.00 mi13:30:383:01:457:5411:35
9:15
+0:38
24M
24.00 mi13:40:003:11:077:589:22
9:22
+0:07
40K
24.85 mi13:48:193:19:268:018:19
9:44
+0:22
25.2M
25.20 mi13:52:003:23:078:043:41
10:41
+0:57
Finish
26.22 mi13:59:573:31:048:037:57
7:48
-2:53

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

7:21 /mi

Average Pace

8:03 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:17

47% of race

Time at Steady Pace

1:10:56

34% of race

Time at Slower Pace

41:51

20% 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 mi10:51:5623:037:2523:03
7:25
#10126
10K
6.21 mi11:14:4645:537:2322:50
7:21
#9515
15K
9.32 mi11:38:041:09:117:2523:18
7:30
#9526
20K
12.43 mi12:01:561:33:037:2923:52
7:41
#9545
Half
13.11 mi12:07:101:38:177:305:14
7:40
#9569
25K
15.53 mi12:26:181:57:257:3419:08
7:53
#9501
30K
18.64 mi12:51:532:23:007:4025:35
8:14
#9330
20M
20.00 mi13:03:422:34:497:4411:49
8:42
#9371
21M
21.00 mi13:12:362:43:437:488:54
8:54
#9209
35K
21.75 mi13:19:032:50:107:496:27
8:37
#9258
23M
23.00 mi13:30:383:01:457:5411:35
9:15
#9419
24M
24.00 mi13:40:003:11:077:589:22
9:22
#9662
40K
24.85 mi13:48:193:19:268:018:19
9:44
#9887
25.2M
25.20 mi13:52:003:23:078:043:41
10:41
#9941
Finish
26.22 mi13:59:573:31:048:037:57
7:48
#9816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10126207720779691(Top 38%)2021(Top 19%)2021(Top 43%)
10K6.21 mi3.10 mi9515+6111832+2451832+2459063(Top 35%)1675(Top 15%)1675(Top 36%)
15K9.32 mi3.11 mi9526-111872-401872-409691(Top 38%)2021(Top 19%)2021(Top 43%)
20K12.43 mi3.11 mi9545-191919-471919-479633(Top 38%)2141(Top 20%)2141(Top 46%)
Half13.11 mi0.68 mi9569-241939-201939-2010430(Top 41%)2520(Top 23%)2520(Top 54%)
25K15.53 mi2.42 mi9501+681956-171956-179500(Top 37%)2244(Top 21%)2244(Top 48%)
30K18.64 mi3.11 mi9330+1711974-181974-189215(Top 36%)2321(Top 21%)2321(Top 50%)
20M20.00 mi1.36 mi9371-412049-752049-7510524(Top 41%)3212(Top 29%)3212(Top 69%)
21M21.00 mi1.00 mi9209+1622042+72042+78114(Top 32%)2239(Top 20%)2239(Top 48%)
35K21.75 mi0.75 mi9258-492102-602102-6011418(Top 45%)3970(Top 36%)3970(Top 85%)
23M23.00 mi1.25 mi9419-1612246-1442246-14412384(Top 48%)4596(Top 42%)4596(Top 99%)
24M24.00 mi1.00 mi9662-2432414-1682414-16813865(Top 54%)5362(Top 49%)5362(Top 115%)
40K24.85 mi0.85 mi9887-2252553-1392553-13913995(Top 55%)5528(Top 51%)5528(Top 119%)
25.2M25.20 mi0.35 mi9941-542598-452598-4513443(Top 53%)5275(Top 48%)5275(Top 113%)
Finish26.22 mi1.02 mi9816+1252577+212577+217383(Top 29%)2291(Top 21%)2291(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9691

Females

2021

F18-39

2021

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9063

Females

1675

F18-39

1675

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9691

Females

2021

F18-39

2021

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9633

Females

2141

F18-39

2141

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10430

Females

2520

F18-39

2520

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9500

Females

2244

F18-39

2244

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9215

Females

2321

F18-39

2321

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10524

Females

3212

F18-39

3212

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8114

Females

2239

F18-39

2239

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11418

Females

3970

F18-39

3970

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12384

Females

4596

F18-39

4596

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

13865

Females

5362

F18-39

5362

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

13995

Females

5528

F18-39

5528

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13443

Females

5275

F18-39

5275

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7383

Females

2291

F18-39

2291

Passing Analysis

Category:
Athletes Passed
2439*
Passed By
2128
Net Change
+310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10126
5K → 10K659*48+611#10126#9515
10K → 15K191202-11#9515#9526
15K → 20K224243-19#9526#9545
20K → Half2751-24#9545#9569
Half → 25K243174+68#9569#9501
25K → 30K339168+171#9501#9330
30K → 20M128169-41#9330#9371
20M → 21M20846+162#9371#9209
21M → 35K61110-49#9209#9258
35K → 23M109270-161#9258#9419
23M → 24M44287-243#9419#9662
24M → 40K29254-225#9662#9887
40K → 25.2M3185-54#9887#9941
25.2M → Finish14621+125#9941#9816
TOTALS2439*2128+310

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing