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BOSTON MARATHON 2024

Chloe Lalonde

Bib: 14858•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 24%
Division (F18-39)
#0 / 4660
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:22
Rank: #13438
Start → 5K
7:51/mi
24:22 split
10K· 6.21 mi
48:04
Rank: #12360 (+1078)
5K → 10K
7:38/mi
23:42 split
15K· 9.32 mi
1:11:45
Rank: #11728 (+632)
10K → 15K
7:38/mi
23:42 split
20K· 12.43 mi
1:35:03
Rank: #10782 (+946)
15K → 20K
7:30/mi
23:18 split
Half· 13.11 mi
1:40:08
Rank: #10647 (+135)
20K → Half
7:27/mi
5:05 split
25K· 15.53 mi
1:58:24
Rank: #9944 (+703)
Half → 25K
7:32/mi
18:16 split
30K· 18.64 mi
2:23:26
Rank: #9503 (+441)
25K → 30K
8:03/mi
25:02 split
20M
2:35:38
Rank: #9646 (-143)
30K → 20M
8:58/mi
12:12 split
21M
2:44:36
Rank: #9491 (+155)
20M → 21M
8:58/mi
8:58 split
35K· 21.75 mi
2:50:53
Rank: #9469 (+22)
21M → 35K
8:24/mi
6:17 split
23M
3:01:50
Rank: #9452 (+17)
35K → 23M
8:45/mi
10:57 split
24M
3:10:50
Rank: #9579 (-127)
23M → 24M
9:00/mi
9:00 split
40K· 24.85 mi
3:18:32
Rank: #9632 (-53)
24M → 40K
9:00/mi
7:42 split
25.2M
3:22:11
Rank: #9712 (-80)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
3:31:18
Rank: #9870 (-158)
25.2M → Finish
8:57/mi
9:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:08
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1424:227:5124:22
7:51
-
10K
6.21 mi11:19:5648:047:4423:42
7:38
-0:13
15K
9.32 mi11:43:371:11:457:4223:42
7:38
0:00
20K
12.43 mi12:06:551:35:037:3923:18
7:30
-0:08
Half
13.11 mi12:12:001:40:087:385:05
7:27
-0:03
25K
15.53 mi12:30:161:58:247:3718:16
7:32
+0:05
30K
18.64 mi12:55:182:23:267:4225:02
8:03
+0:31
20M
20.00 mi13:07:302:35:387:4712:12
8:58
+0:55
21M
21.00 mi13:16:282:44:367:508:58
8:58
0:00
35K
21.75 mi13:22:452:50:537:516:17
8:24
-0:34
23M
23.00 mi13:33:423:01:507:5410:57
8:45
+0:21
24M
24.00 mi13:42:423:10:507:579:00
9:00
+0:15
40K
24.85 mi13:50:243:18:327:597:42
9:00
0:00
25.2M
25.20 mi13:54:033:22:118:013:39
10:35
+1:35
Finish
26.22 mi14:03:103:31:188:049:07
8:57
-1:38

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

7:27 /mi

Average Pace

8:04 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:24

56% of race

Time at Steady Pace

42:16

20% of race

Time at Slower Pace

50:38

24% of race

Average Pace: 8:04 /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 mi10:56:1424:227:5124:22
7:51
#13438
10K
6.21 mi11:19:5648:047:4423:42
7:38
#12360
15K
9.32 mi11:43:371:11:457:4223:42
7:38
#11728
20K
12.43 mi12:06:551:35:037:3923:18
7:30
#10782
Half
13.11 mi12:12:001:40:087:385:05
7:27
#10647
25K
15.53 mi12:30:161:58:247:3718:16
7:32
#9944
30K
18.64 mi12:55:182:23:267:4225:02
8:03
#9503
20M
20.00 mi13:07:302:35:387:4712:12
8:58
#9646
21M
21.00 mi13:16:282:44:367:508:58
8:58
#9491
35K
21.75 mi13:22:452:50:537:516:17
8:24
#9469
23M
23.00 mi13:33:423:01:507:5410:57
8:45
#9452
24M
24.00 mi13:42:423:10:507:579:00
9:00
#9579
40K
24.85 mi13:50:243:18:327:597:42
9:00
#9632
25.2M
25.20 mi13:54:033:22:118:013:39
10:35
#9712
Finish
26.22 mi14:03:103:31:188:049:07
8:57
#9870
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134383968396810628(Top 42%)2500(Top 23%)2500(Top 54%)
10K6.21 mi3.10 mi12360+10783375+5933375+59311260(Top 44%)2799(Top 26%)2799(Top 60%)
15K9.32 mi3.11 mi11728+6323052+3233052+32310628(Top 42%)2500(Top 23%)2500(Top 54%)
20K12.43 mi3.11 mi10782+9462554+4982554+4988396(Top 33%)1546(Top 14%)1546(Top 33%)
Half13.11 mi0.68 mi10647+1352484+702484+708825(Top 35%)1746(Top 16%)1746(Top 37%)
25K15.53 mi2.42 mi9944+7032194+2902194+2907213(Top 28%)1253(Top 11%)1253(Top 27%)
30K18.64 mi3.11 mi9503+4412059+1352059+1358220(Top 32%)1865(Top 17%)1865(Top 40%)
20M20.00 mi1.36 mi9646-1432206-1472206-14711974(Top 47%)4018(Top 37%)4018(Top 86%)
21M21.00 mi1.00 mi9491+1552182+242182+248474(Top 33%)2436(Top 22%)2436(Top 52%)
35K21.75 mi0.75 mi9469+222204-222204-2210149(Top 40%)3300(Top 30%)3300(Top 71%)
23M23.00 mi1.25 mi9452+172263-592263-599818(Top 38%)3297(Top 30%)3297(Top 71%)
24M24.00 mi1.00 mi9579-1272371-1082371-10812168(Top 48%)4493(Top 41%)4493(Top 96%)
40K24.85 mi0.85 mi9632-532433-622433-6210897(Top 43%)4004(Top 37%)4004(Top 86%)
25.2M25.20 mi0.35 mi9712-802487-542487-5413103(Top 51%)5124(Top 47%)5124(Top 110%)
Finish26.22 mi1.02 mi9870-1582606-1192606-11913931(Top 55%)5433(Top 50%)5433(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10628

Females

2500

F18-39

2500

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11260

Females

2799

F18-39

2799

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10628

Females

2500

F18-39

2500

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8396

Females

1546

F18-39

1546

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

8825

Females

1746

F18-39

1746

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7213

Females

1253

F18-39

1253

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8220

Females

1865

F18-39

1865

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

11974

Females

4018

F18-39

4018

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8474

Females

2436

F18-39

2436

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10149

Females

3300

F18-39

3300

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9818

Females

3297

F18-39

3297

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12168

Females

4493

F18-39

4493

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

10897

Females

4004

F18-39

4004

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13103

Females

5124

F18-39

5124

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

13931

Females

5433

F18-39

5433

Passing Analysis

Category:
Athletes Passed
4803*
Passed By
1234
Net Change
+3568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13438
5K → 10K110325+1078#13438#12360
10K → 15K65422+632#12360#11728
15K → 20K9471+946#11728#10782
20K → Half1394+135#10782#10647
Half → 25K706*3+703#10647#9944
25K → 30K50564+441#9944#9503
30K → 20M105248-143#9503#9646
20M → 21M19742+155#9646#9491
21M → 35K8866+22#9491#9469
35K → 23M162145+17#9469#9452
23M → 24M61*188-127#9452#9579
24M → 40K65118-53#9579#9632
40K → 25.2M24104-80#9632#9712
25.2M → Finish47204-158#9712#9870
TOTALS4803*1234+3568

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing