Boston Marathon logo
BOSTON MARATHON 2024

Tereza Mattsson

Bib: 18182•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 26%
Division (F18-39)
#0 / 4660
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:29
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:36:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:41:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:00:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:28:18
↑ 181↓ 1480.2%
20M
8:24/mi
2:39:43
↑ 64↓ 500.2%
21M
10:17/mi
2:50:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:56:05
↑ 17↓ 861.7%
23M
8:22/mi
3:06:33
↑ 23↓ 630.6%
24M
8:14/mi
3:14:47
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:21:52
↓ 200.3%
25.2M
9:02/mi
3:24:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:33:03
↑ 22↓ 21

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
Time1:41:31
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:51:32
Pace8:30 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3523:537:4123:53
7:41
-
10K
6.21 mi11:39:1847:367:4023:43
7:38
-0:03
15K
9.32 mi12:03:111:11:297:4023:53
7:41
+0:03
20K
12.43 mi12:27:491:36:077:4424:38
7:56
+0:15
Half
13.11 mi12:33:131:41:317:455:24
7:55
-0:01
25K
15.53 mi12:52:402:00:587:4719:27
8:01
+0:06
30K
18.64 mi13:20:002:28:187:5727:20
8:48
+0:47
20M
20.00 mi13:31:252:39:437:5911:25
8:24
-0:24
21M
21.00 mi13:41:422:50:008:0610:17
10:17
+1:53
35K
21.75 mi13:47:472:56:058:066:05
8:08
-2:09
23M
23.00 mi13:58:153:06:338:0710:28
8:22
+0:14
24M
24.00 mi14:06:293:14:478:078:14
8:14
-0:08
40K
24.85 mi14:13:343:21:528:077:05
8:17
+0:03
25.2M
25.20 mi14:16:413:24:598:083:07
9:02
+0:45
Finish
26.22 mi14:24:453:33:038:088:04
7:55
-1:07

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

7:38 /mi

Average Pace

8:08 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:29

34% of race

Time at Steady Pace

1:40:50

47% of race

Time at Slower Pace

40:44

19% of race

Average Pace: 8:08 /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 mi11:15:3523:537:4123:53
7:41
#12223
10K
6.21 mi11:39:1847:367:4023:43
7:38
#11743
15K
9.32 mi12:03:111:11:297:4023:53
7:41
#11482
20K
12.43 mi12:27:491:36:077:4424:38
7:56
#11418
Half
13.11 mi12:33:131:41:317:455:24
7:55
#11451
25K
15.53 mi12:52:402:00:587:4719:27
8:01
#11194
30K
18.64 mi13:20:002:28:187:5727:20
8:48
#11348
20M
20.00 mi13:31:252:39:437:5911:25
8:24
#11079
21M
21.00 mi13:41:422:50:008:0610:17
10:17
#11301
35K
21.75 mi13:47:472:56:058:066:05
8:08
#11152
23M
23.00 mi13:58:153:06:338:0710:28
8:22
#10873
24M
24.00 mi14:06:293:14:478:078:14
8:14
#10688
40K
24.85 mi14:13:343:21:528:077:05
8:17
#10489
25.2M
25.20 mi14:16:413:24:598:083:07
9:02
#10414
Finish
26.22 mi14:24:453:33:038:088:04
7:55
#10284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122233260326011111(Top 43%)2740(Top 25%)2740(Top 59%)
10K6.21 mi3.10 mi11743+4803020+2403020+24011351(Top 44%)2841(Top 26%)2841(Top 61%)
15K9.32 mi3.11 mi11482+2612906+1142906+11411111(Top 43%)2740(Top 25%)2740(Top 59%)
20K12.43 mi3.11 mi11418+642894+122894+1211324(Top 44%)2973(Top 27%)2973(Top 64%)
Half13.11 mi0.68 mi11451-332921-272921-2712164(Top 48%)3402(Top 31%)3402(Top 73%)
25K15.53 mi2.42 mi11194+2572828+932828+9310345(Top 40%)2665(Top 24%)2665(Top 57%)
30K18.64 mi3.11 mi11348-1543016-1883016-18812179(Top 48%)3818(Top 35%)3818(Top 82%)
20M20.00 mi1.36 mi11079+2692926+902926+908928(Top 35%)2435(Top 22%)2435(Top 52%)
21M21.00 mi1.00 mi11301-2223091-1653091-16514061(Top 55%)5335(Top 49%)5335(Top 114%)
35K21.75 mi0.75 mi11152+1493053+383053+388612(Top 34%)2515(Top 23%)2515(Top 54%)
23M23.00 mi1.25 mi10873+2792964+892964+897706(Top 30%)2250(Top 21%)2250(Top 48%)
24M24.00 mi1.00 mi10688+1852920+442920+447968(Top 31%)2471(Top 23%)2471(Top 53%)
40K24.85 mi0.85 mi10489+1992872+482872+487283(Top 29%)2281(Top 21%)2281(Top 49%)
25.2M25.20 mi0.35 mi10414+752846+262846+266793(Top 27%)2087(Top 19%)2087(Top 45%)
Finish26.22 mi1.02 mi10284+1302817+292817+298063(Top 32%)2615(Top 24%)2615(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11111

Females

2740

F18-39

2740

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11351

Females

2841

F18-39

2841

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11111

Females

2740

F18-39

2740

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11324

Females

2973

F18-39

2973

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12164

Females

3402

F18-39

3402

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10345

Females

2665

F18-39

2665

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12179

Females

3818

F18-39

3818

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

8928

Females

2435

F18-39

2435

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14061

Females

5335

F18-39

5335

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8612

Females

2515

F18-39

2515

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7706

Females

2250

F18-39

2250

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

7968

Females

2471

F18-39

2471

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7283

Females

2281

F18-39

2281

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6793

Females

2087

F18-39

2087

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8063

Females

2615

F18-39

2615

Passing Analysis

Category:
Athletes Passed
3320*
Passed By
1381
Net Change
+1939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12223
5K → 10K582102+480#12223#11743
10K → 15K362101+261#11743#11482
15K → 20K267203+64#11482#11418
20K → Half3467-33#11418#11451
Half → 25K33073+257#11451#11194
25K → 30K244398-154#11194#11348
30K → 20M30637+269#11348#11079
20M → 21M81303-222#11079#11301
21M → 35K16920+149#11301#11152
35K → 23M29617+279#11152#10873
23M → 24M20419+185#10873#10688
24M → 40K213*14+199#10688#10489
40K → 25.2M794+75#10489#10414
25.2M → Finish15323+130#10414#10284
TOTALS3320*1381+1939

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

📊

Passing Visuals

Category:
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