Boston Marathon logo
BOSTON MARATHON 2024

Tess Marks

Bib: 4639•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #2632
Start → 5K
19:51 | 6:23/mi
10K· 6.21 mi
40:05
Rank: #2836 (-204)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:27
Rank: #3525 (-689)
10K → 15K
21:22 | 6:53/mi
20K· 12.43 mi
1:24:21
Rank: #4645 (-1120)
15K → 20K
22:54 | 7:22/mi
Half· 13.11 mi
1:29:18
Rank: #4830 (-185)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:49:02
Rank: #5833 (-1003)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:17:49
Rank: #7414 (-1581)
25K → 30K
28:47 | 9:16/mi
20M
2:29:27
Rank: #7530 (-116)
30K → 20M
11:38 | 8:34/mi
21M
2:40:49
Rank: #8304 (-774)
20M → 21M
11:22 | 11:22/mi
35K· 21.75 mi
2:48:11
Rank: #8655 (-351)
21M → 35K
7:22 | 9:51/mi
23M
3:01:57
Rank: #9490 (-835)
35K → 23M
13:46 | 11:00/mi
24M
3:10:51
Rank: #9583 (-93)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:18:26
Rank: #9608 (-25)
24M → 40K
7:35 | 8:52/mi
25.2M
3:21:46
Rank: #9575 (+33)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:29:48
Rank: #9513 (+62)
25.2M → Finish
8:02 | 7:53/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
Time1:29:18
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 34.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1719:516:2319:51
6:23
-
10K
6.21 mi10:43:3140:056:2720:14
6:31
+0:08
15K
9.32 mi11:04:531:01:276:3621:22
6:53
+0:22
20K
12.43 mi11:27:471:24:216:4722:54
7:22
+0:29
Half
13.11 mi11:32:441:29:186:494:57
7:15
-0:07
25K
15.53 mi11:52:281:49:027:0119:44
8:08
+0:53
30K
18.64 mi12:21:152:17:497:2428:47
9:16
+1:08
20M
20.00 mi12:32:532:29:277:2811:38
8:34
-0:42
21M
21.00 mi12:44:152:40:497:3911:22
11:22
+2:48
35K
21.75 mi12:51:372:48:117:447:22
9:51
-1:31
23M
23.00 mi13:05:233:01:577:5513:46
11:00
+1:09
24M
24.00 mi13:14:173:10:517:578:54
8:54
-2:06
40K
24.85 mi13:21:523:18:267:597:35
8:52
-0:02
25.2M
25.20 mi13:25:123:21:468:003:20
9:40
+0:48
Finish
26.22 mi13:33:143:29:488:008:02
7:53
-1:47

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

6:23 /mi

Average Pace

8:00 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:18

43% of race

Time at Steady Pace

1:24:40

40% of race

Time at Slower Pace

35:50

17% of race

Average Pace: 8:00 /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 mi10:23:1719:516:2319:51
6:23
#2632
10K
6.21 mi10:43:3140:056:2720:14
6:31
#2836
15K
9.32 mi11:04:531:01:276:3621:22
6:53
#3525
20K
12.43 mi11:27:471:24:216:4722:54
7:22
#4645
Half
13.11 mi11:32:441:29:186:494:57
7:15
#4830
25K
15.53 mi11:52:281:49:027:0119:44
8:08
#5833
30K
18.64 mi12:21:152:17:497:2428:47
9:16
#7414
20M
20.00 mi12:32:532:29:277:2811:38
8:34
#7530
21M
21.00 mi12:44:152:40:497:3911:22
11:22
#8304
35K
21.75 mi12:51:372:48:117:447:22
9:51
#8655
23M
23.00 mi13:05:233:01:577:5513:46
11:00
#9490
24M
24.00 mi13:14:173:10:517:578:54
8:54
#9583
40K
24.85 mi13:21:523:18:267:597:35
8:52
#9608
25.2M
25.20 mi13:25:123:21:468:003:20
9:40
#9575
Finish
26.22 mi13:33:143:29:488:008:02
7:53
#9513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi263295955418(Top 21%)466(Top 4%)466(Top 10%)
10K6.21 mi3.10 mi2836-204111-16111-163097(Top 12%)140(Top 1%)140(Top 3%)
15K9.32 mi3.11 mi3525-689169-58169-585418(Top 21%)466(Top 4%)466(Top 10%)
20K12.43 mi3.11 mi4645-1120318-149318-1497445(Top 29%)1165(Top 11%)1165(Top 25%)
Half13.11 mi0.68 mi4830-185347-29347-297434(Top 29%)1169(Top 11%)1169(Top 25%)
25K15.53 mi2.42 mi5833-1003581-234581-23411020(Top 43%)2969(Top 27%)2969(Top 64%)
30K18.64 mi3.11 mi7414-15811137-5561137-55614469(Top 57%)5125(Top 47%)5125(Top 110%)
20M20.00 mi1.36 mi7530-1161229-921229-929779(Top 38%)2834(Top 26%)2834(Top 61%)
21M21.00 mi1.00 mi8304-7741622-3931622-39317322(Top 68%)7005(Top 64%)7005(Top 150%)
35K21.75 mi0.75 mi8655-3511816-1941816-19416673(Top 65%)6684(Top 61%)6684(Top 143%)
23M23.00 mi1.25 mi9490-8352281-4652281-46518416(Top 72%)7609(Top 70%)7609(Top 163%)
24M24.00 mi1.00 mi9583-932373-922373-9211652(Top 46%)4230(Top 39%)4230(Top 91%)
40K24.85 mi0.85 mi9608-252423-502423-5010251(Top 40%)3685(Top 34%)3685(Top 79%)
25.2M25.20 mi0.35 mi9575+332424-12424-19465(Top 37%)3368(Top 31%)3368(Top 72%)
Finish26.22 mi1.02 mi9513+622426-22426-27853(Top 31%)2495(Top 23%)2495(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5418

Females

466

F18-39

466

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3097

Females

140

F18-39

140

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5418

Females

466

F18-39

466

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7445

Females

1165

F18-39

1165

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7434

Females

1169

F18-39

1169

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11020

Females

2969

F18-39

2969

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

14469

Females

5125

F18-39

5125

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9779

Females

2834

F18-39

2834

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17322

Females

7005

F18-39

7005

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

16673

Females

6684

F18-39

6684

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

18416

Females

7609

F18-39

7609

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11652

Females

4230

F18-39

4230

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10251

Females

3685

F18-39

3685

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9465

Females

3368

F18-39

3368

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7853

Females

2495

F18-39

2495

Passing Analysis

Category:
Athletes Passed
624*
Passed By
7505
Net Change
-6881
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2632
5K → 10K69273-204#2632#2836
10K → 15K12701-689#2836#3525
15K → 20K211141-1120#3525#4645
20K → Half2187-185#4645#4830
Half → 25K261029-1003#4830#5833
25K → 30K191600-1581#5833#7414
30K → 20M92208-116#7414#7530
20M → 21M14788-774#7530#8304
21M → 35K27378-351#8304#8655
35K → 23M33868-835#8655#9490
23M → 24M67*160-93#9490#9583
24M → 40K77102-25#9583#9608
40K → 25.2M6431+33#9608#9575
25.2M → Finish10139+62#9575#9513
TOTALS624*7505-6881

* 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