Boston Marathon logo
BOSTON MARATHON 2024

Marissa Lobert

Bib: 15068•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Division (F18-39)
#0 / 4660
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:19
Rank: #8310
Start → 5K
22:19 | 7:11/mi
10K· 6.21 mi
45:17
Rank: #8823 (-513)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:08:38
Rank: #9068 (-245)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:32:25
Rank: #9139 (-71)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:37:41
Rank: #9224 (-85)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:57:47
Rank: #9670 (-446)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:26:17
Rank: #10606 (-936)
25K → 30K
28:30 | 9:10/mi
20M
2:39:29
Rank: #10995 (-389)
30K → 20M
13:12 | 9:43/mi
21M
2:50:01
Rank: #11310 (-315)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
2:57:06
Rank: #11464 (-154)
21M → 35K
7:05 | 9:28/mi
23M
3:08:57
Rank: #11563 (-99)
35K → 23M
11:51 | 9:28/mi
24M
3:18:15
Rank: #11639 (-76)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
3:26:25
Rank: #11696 (-57)
24M → 40K
8:10 | 9:33/mi
25.2M
3:30:00
Rank: #11708 (-12)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:38:53
Rank: #11719 (-11)
25.2M → Finish
8:53 | 8:43/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
Time1:37:41
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time2:01:12
Pace9:15 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0322:197:1122:19
7:11
-
10K
6.21 mi11:18:0145:177:1722:58
7:24
+0:13
15K
9.32 mi11:41:221:08:387:2223:21
7:31
+0:07
20K
12.43 mi12:05:091:32:257:2623:47
7:39
+0:08
Half
13.11 mi12:10:251:37:417:275:16
7:43
+0:04
25K
15.53 mi12:30:311:57:477:3520:06
8:17
+0:34
30K
18.64 mi12:59:012:26:177:5128:30
9:10
+0:53
20M
20.00 mi13:12:132:39:297:5813:12
9:43
+0:33
21M
21.00 mi13:22:452:50:018:0610:32
10:32
+0:49
35K
21.75 mi13:29:502:57:068:097:05
9:28
-1:04
23M
23.00 mi13:41:413:08:578:1311:51
9:28
0:00
24M
24.00 mi13:50:593:18:158:169:18
9:18
-0:10
40K
24.85 mi13:59:093:26:258:188:10
9:33
+0:15
25.2M
25.20 mi14:02:443:30:008:203:35
10:23
+0:50
Finish
26.22 mi14:11:373:38:538:218:53
8:43
-1:40

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

7:11 /mi

Average Pace

8:21 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:47

54% of race

Time at Steady Pace

1:13:47

34% of race

Time at Slower Pace

27:19

12% of race

Average Pace: 8:21 /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 mi10:55:0322:197:1122:19
7:11
#8310
10K
6.21 mi11:18:0145:177:1722:58
7:24
#8823
15K
9.32 mi11:41:221:08:387:2223:21
7:31
#9068
20K
12.43 mi12:05:091:32:257:2623:47
7:39
#9139
Half
13.11 mi12:10:251:37:417:275:16
7:43
#9224
25K
15.53 mi12:30:311:57:477:3520:06
8:17
#9670
30K
18.64 mi12:59:012:26:177:5128:30
9:10
#10606
20M
20.00 mi13:12:132:39:297:5813:12
9:43
#10995
21M
21.00 mi13:22:452:50:018:0610:32
10:32
#11310
35K
21.75 mi13:29:502:57:068:097:05
9:28
#11464
23M
23.00 mi13:41:413:08:578:1311:51
9:28
#11563
24M
24.00 mi13:50:593:18:158:169:18
9:18
#11639
40K
24.85 mi13:59:093:26:258:188:10
9:33
#11696
25.2M
25.20 mi14:02:443:30:008:203:35
10:23
#11708
Finish
26.22 mi14:11:373:38:538:218:53
8:43
#11719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8310130413049830(Top 38%)2098(Top 19%)2098(Top 45%)
10K6.21 mi3.10 mi8823-5131545-2411545-2419386(Top 37%)1830(Top 17%)1830(Top 39%)
15K9.32 mi3.11 mi9068-2451659-1141659-1149830(Top 38%)2098(Top 19%)2098(Top 45%)
20K12.43 mi3.11 mi9139-711739-801739-809454(Top 37%)2055(Top 19%)2055(Top 44%)
Half13.11 mi0.68 mi9224-851775-361775-3610820(Top 42%)2717(Top 25%)2717(Top 58%)
25K15.53 mi2.42 mi9670-4462045-2702045-27011924(Top 47%)3476(Top 32%)3476(Top 75%)
30K18.64 mi3.11 mi10606-9362621-5762621-57614073(Top 55%)4891(Top 45%)4891(Top 105%)
20M20.00 mi1.36 mi10995-3892878-2572878-25715400(Top 60%)5896(Top 54%)5896(Top 127%)
21M21.00 mi1.00 mi11310-3153097-2193097-21914957(Top 59%)5793(Top 53%)5793(Top 124%)
35K21.75 mi0.75 mi11464-1543209-1123209-11215383(Top 60%)6020(Top 55%)6020(Top 129%)
23M23.00 mi1.25 mi11563-993334-1253334-12513368(Top 52%)5082(Top 47%)5082(Top 109%)
24M24.00 mi1.00 mi11639-763428-943428-9413540(Top 53%)5193(Top 48%)5193(Top 111%)
40K24.85 mi0.85 mi11696-573506-783506-7813329(Top 52%)5203(Top 48%)5203(Top 112%)
25.2M25.20 mi0.35 mi11708-123533-273533-2712455(Top 49%)4820(Top 44%)4820(Top 103%)
Finish26.22 mi1.02 mi11719-113581-483581-4812729(Top 50%)4817(Top 44%)4817(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9830

Females

2098

F18-39

2098

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9386

Females

1830

F18-39

1830

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9830

Females

2098

F18-39

2098

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9454

Females

2055

F18-39

2055

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10820

Females

2717

F18-39

2717

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

11924

Females

3476

F18-39

3476

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14073

Females

4891

F18-39

4891

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15400

Females

5896

F18-39

5896

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

14957

Females

5793

F18-39

5793

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15383

Females

6020

F18-39

6020

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13368

Females

5082

F18-39

5082

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13540

Females

5193

F18-39

5193

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13329

Females

5203

F18-39

5203

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12455

Females

4820

F18-39

4820

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12729

Females

4817

F18-39

4817

Passing Analysis

Category:
Athletes Passed
1158
Passed By
4564
Net Change
-3409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8310
5K → 10K95608-513#8310#8823
10K → 15K112357-245#8823#9068
15K → 20K174245-71#9068#9139
20K → Half21106-85#9139#9224
Half → 25K102547-446#9224#9670
25K → 30K841018-936#9670#10606
30K → 20M47436-389#10606#10995
20M → 21M71386-315#10995#11310
21M → 35K47201-154#11310#11464
35K → 23M119218-99#11464#11563
23M → 24M79155-76#11563#11639
24M → 40K88145-57#11639#11696
40K → 25.2M4153-12#11696#11708
25.2M → Finish7889-11#11708#11719
TOTALS11584564-3409
📊

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