Boston Marathon logo
BOSTON MARATHON 2024

Heleen De Necker

Bib: 21710•F

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
8:13/mi
25:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
51:58
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:19:55
↑ 67↓ 78
20K· 12.43 mi
9:24/mi
1:49:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
1:55:22
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:18:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:12/mi
2:50:16
↑ 181↓ 1480.2%
20M
10:06/mi
3:04:00
↑ 64↓ 500.2%
21M
11:01/mi
3:15:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:22:25
↑ 17↓ 861.7%
23M
10:00/mi
3:34:56
↑ 23↓ 630.6%
24M
10:09/mi
3:45:05
↓ 821.3%
40K· 24.85 mi
10:12/mi
3:53:48
↓ 200.3%
25.2M
11:16/mi
3:57:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
4:07:22
↑ 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
Time1:55:22
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:12:00
Pace10:04 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5525:338:1325:33
8:13
-
10K
6.21 mi11:48:2051:588:2226:25
8:30
+0:17
15K
9.32 mi12:16:171:19:558:3427:57
9:00
+0:30
20K
12.43 mi12:45:291:49:078:4729:12
9:24
+0:24
Half
13.11 mi12:51:441:55:228:486:15
9:10
-0:14
25K
15.53 mi13:14:572:18:358:5523:13
9:35
+0:25
30K
18.64 mi13:46:382:50:169:0831:41
10:12
+0:37
20M
20.00 mi14:00:223:04:009:1213:44
10:06
-0:06
21M
21.00 mi14:11:233:15:019:1711:01
11:01
+0:55
35K
21.75 mi14:18:473:22:259:187:24
9:53
-1:08
23M
23.00 mi14:31:183:34:569:2112:31
10:00
+0:07
24M
24.00 mi14:41:273:45:059:2310:09
10:09
+0:09
40K
24.85 mi14:50:103:53:489:248:43
10:12
+0:03
25.2M
25.20 mi14:54:033:57:419:263:53
11:16
+1:04
Finish
26.22 mi15:03:444:07:229:269:41
9:30
-1:46

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

8:13 /mi

Average Pace

9:26 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:22

47% of race

Time at Steady Pace

1:57:06

47% of race

Time at Slower Pace

14:54

6% of race

Average Pace: 9:26 /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 mi11:21:5525:338:1325:33
8:13
#16189
10K
6.21 mi11:48:2051:588:2226:25
8:30
#16714
15K
9.32 mi12:16:171:19:558:3427:57
9:00
#17532
20K
12.43 mi12:45:291:49:078:4729:12
9:24
#17932
Half
13.11 mi12:51:441:55:228:486:15
9:10
#17995
25K
15.53 mi13:14:572:18:358:5523:13
9:35
#17924
30K
18.64 mi13:46:382:50:169:0831:41
10:12
#17977
20M
20.00 mi14:00:223:04:009:1213:44
10:06
#17886
21M
21.00 mi14:11:233:15:019:1711:01
11:01
#17799
35K
21.75 mi14:18:473:22:259:187:24
9:53
#17755
23M
23.00 mi14:31:183:34:569:2112:31
10:00
#17585
24M
24.00 mi14:41:273:45:059:2310:09
10:09
#17565
40K
24.85 mi14:50:103:53:489:248:43
10:12
#17480
25.2M
25.20 mi14:54:033:57:419:263:53
11:16
#17421
Finish
26.22 mi15:03:444:07:229:269:41
9:30
#17343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi161895677567718908(Top 74%)7202(Top 66%)7202(Top 411%)
10K6.21 mi3.10 mi16714-5255993-3165993-31617307(Top 68%)6314(Top 58%)6314(Top 360%)
15K9.32 mi3.11 mi17532-8186449-4566449-45618908(Top 74%)7202(Top 66%)7202(Top 411%)
20K12.43 mi3.11 mi17932-4006702-2536702-25318869(Top 74%)7207(Top 66%)7207(Top 411%)
Half13.11 mi0.68 mi17995-636739-376739-3718943(Top 74%)7296(Top 67%)7296(Top 416%)
25K15.53 mi2.42 mi17924+716727+126727+1217785(Top 70%)6703(Top 61%)6703(Top 382%)
30K18.64 mi3.11 mi17977-536819-926819-9217974(Top 70%)7029(Top 64%)7029(Top 401%)
20M20.00 mi1.36 mi17886+916798+216798+2116835(Top 66%)6633(Top 61%)6633(Top 378%)
21M21.00 mi1.00 mi17799+876787+116787+1116387(Top 64%)6539(Top 60%)6539(Top 373%)
35K21.75 mi0.75 mi17755+446777+106777+1016823(Top 66%)6761(Top 62%)6761(Top 386%)
23M23.00 mi1.25 mi17585+1706699+786699+7815473(Top 61%)6157(Top 56%)6157(Top 351%)
24M24.00 mi1.00 mi17565+206714-156714-1516822(Top 66%)6855(Top 63%)6855(Top 391%)
40K24.85 mi0.85 mi17480+856701+136701+1315713(Top 61%)6363(Top 58%)6363(Top 363%)
25.2M25.20 mi0.35 mi17421+596682+196682+1915389(Top 60%)6227(Top 57%)6227(Top 355%)
Finish26.22 mi1.02 mi17343+786664+186664+1816563(Top 65%)6797(Top 62%)6797(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18908

Females

7202

F45-49

7202

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17307

Females

6314

F45-49

6314

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18908

Females

7202

F45-49

7202

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18869

Females

7207

F45-49

7207

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18943

Females

7296

F45-49

7296

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

17785

Females

6703

F45-49

6703

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

17974

Females

7029

F45-49

7029

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16835

Females

6633

F45-49

6633

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16387

Females

6539

F45-49

6539

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

16823

Females

6761

F45-49

6761

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

15473

Females

6157

F45-49

6157

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16822

Females

6855

F45-49

6855

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15713

Females

6363

F45-49

6363

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15389

Females

6227

F45-49

6227

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16563

Females

6797

F45-49

6797

Passing Analysis

Category:
Athletes Passed
1748
Passed By
2902
Net Change
-1154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16189
5K → 10K124649-525#16189#16714
10K → 15K64882-818#16714#17532
15K → 20K143543-400#17532#17932
20K → Half2487-63#17932#17995
Half → 25K238167+71#17995#17924
25K → 30K231284-53#17924#17977
30K → 20M15867+91#17977#17886
20M → 21M14558+87#17886#17799
21M → 35K7834+44#17799#17755
35K → 23M19525+170#17755#17585
23M → 24M6949+20#17585#17565
24M → 40K10722+85#17565#17480
40K → 25.2M678+59#17480#17421
25.2M → Finish10527+78#17421#17343
TOTALS17482902-1154
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing