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BOSTON MARATHON 2024

Deirdre Collins

Bib: 18365•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 36%
Masters (Masters Women)
#0 / 6263
Top 24%
Division (F40-44)
#0 / 1613
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
7:48/mi
24:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:04
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:39:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:45:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:06:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:06/mi
2:35:13
↑ 181↓ 1480.2%
20M
9:02/mi
2:47:29
↑ 64↓ 500.2%
21M
9:28/mi
2:56:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:03:23
↑ 17↓ 861.7%
23M
8:44/mi
3:14:19
↑ 23↓ 630.6%
24M
8:29/mi
3:22:48
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:30:06
↓ 200.3%
25.2M
9:23/mi
3:33:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:41:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3324:137:4824:13
7:48
-
10K
6.21 mi11:40:4848:287:4824:15
7:48
0:00
15K
9.32 mi12:05:241:13:047:5024:36
7:55
+0:07
20K
12.43 mi12:31:461:39:268:0026:22
8:29
+0:34
Half
13.11 mi12:37:331:45:138:025:47
8:29
0:00
25K
15.53 mi12:59:162:06:568:1021:43
8:57
+0:28
30K
18.64 mi13:27:332:35:138:2028:17
9:06
+0:09
20M
20.00 mi13:39:492:47:298:2212:16
9:02
-0:04
21M
21.00 mi13:49:172:56:578:269:28
9:28
+0:26
35K
21.75 mi13:55:433:03:238:266:26
8:36
-0:52
23M
23.00 mi14:06:393:14:198:2710:56
8:44
+0:08
24M
24.00 mi14:15:083:22:488:278:29
8:29
-0:15
40K
24.85 mi14:22:263:30:068:277:18
8:32
+0:03
25.2M
25.20 mi14:25:403:33:208:283:14
9:23
+0:51
Finish
26.22 mi14:33:523:41:328:278:12
8:03
-1:20

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

7:48 /mi

Average Pace

8:27 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:16

37% of race

Time at Steady Pace

1:05:18

29% of race

Time at Slower Pace

1:14:58

34% of race

Average Pace: 8:27 /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 mi11:16:3324:137:4824:13
7:48
#13068
10K
6.21 mi11:40:4848:287:4824:15
7:48
#12891
15K
9.32 mi12:05:241:13:047:5024:36
7:55
#12845
20K
12.43 mi12:31:461:39:268:0026:22
8:29
#13445
Half
13.11 mi12:37:331:45:138:025:47
8:29
#13569
25K
15.53 mi12:59:162:06:568:1021:43
8:57
#13869
30K
18.64 mi13:27:332:35:138:2028:17
9:06
#13766
20M
20.00 mi13:39:492:47:298:2212:16
9:02
#13615
21M
21.00 mi13:49:172:56:578:269:28
9:28
#13375
35K
21.75 mi13:55:433:03:238:266:26
8:36
#13270
23M
23.00 mi14:06:393:14:198:2710:56
8:44
#13005
24M
24.00 mi14:15:083:22:488:278:29
8:29
#12827
40K
24.85 mi14:22:263:30:068:277:18
8:32
#12588
25.2M
25.20 mi14:25:403:33:208:283:14
9:23
#12491
Finish
26.22 mi14:33:523:41:328:278:12
8:03
#12340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi130683760376012836(Top 50%)3709(Top 34%)3709(Top 230%)
10K6.21 mi3.10 mi12891+1773669+913669+9112716(Top 50%)3599(Top 33%)3599(Top 223%)
15K9.32 mi3.11 mi12845+463664+53664+512836(Top 50%)3709(Top 34%)3709(Top 230%)
20K12.43 mi3.11 mi13445-6004040-3764040-37614736(Top 58%)4852(Top 44%)4852(Top 301%)
Half13.11 mi0.68 mi13569-1244107-674107-6715569(Top 61%)5369(Top 49%)5369(Top 333%)
25K15.53 mi2.42 mi13869-3004320-2134320-21315327(Top 60%)5351(Top 49%)5351(Top 332%)
30K18.64 mi3.11 mi13766+1034346-264346-2613730(Top 54%)4687(Top 43%)4687(Top 291%)
20M20.00 mi1.36 mi13615+1514323+234323+2312273(Top 48%)4167(Top 38%)4167(Top 258%)
21M21.00 mi1.00 mi13375+2404252+714252+7110723(Top 42%)3596(Top 33%)3596(Top 223%)
35K21.75 mi0.75 mi13270+1054223+294223+2911330(Top 44%)3934(Top 36%)3934(Top 244%)
23M23.00 mi1.25 mi13005+2654140+834140+839761(Top 38%)3275(Top 30%)3275(Top 203%)
24M24.00 mi1.00 mi12827+1784078+624078+629402(Top 37%)3149(Top 29%)3149(Top 195%)
40K24.85 mi0.85 mi12588+2393998+803998+808599(Top 34%)2880(Top 26%)2880(Top 179%)
25.2M25.20 mi0.35 mi12491+973959+393959+398305(Top 33%)2818(Top 26%)2818(Top 175%)
Finish26.22 mi1.02 mi12340+1513914+453914+458855(Top 35%)2996(Top 27%)2996(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

12836

Females

3709

F40-44

3709

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12716

Females

3599

F40-44

3599

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

12836

Females

3709

F40-44

3709

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14736

Females

4852

F40-44

4852

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15569

Females

5369

F40-44

5369

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15327

Females

5351

F40-44

5351

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13730

Females

4687

F40-44

4687

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12273

Females

4167

F40-44

4167

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10723

Females

3596

F40-44

3596

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11330

Females

3934

F40-44

3934

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9761

Females

3275

F40-44

3275

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9402

Females

3149

F40-44

3149

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8599

Females

2880

F40-44

2880

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8305

Females

2818

F40-44

2818

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8855

Females

2996

F40-44

2996

Passing Analysis

Category:
Athletes Passed
2826
Passed By
2098
Net Change
+728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13068
5K → 10K383206+177#13068#12891
10K → 15K238192+46#12891#12845
15K → 20K130730-600#12845#13445
20K → Half14138-124#13445#13569
Half → 25K127427-300#13569#13869
25K → 30K333230+103#13869#13766
30K → 20M20554+151#13766#13615
20M → 21M27333+240#13615#13375
21M → 35K12722+105#13375#13270
35K → 23M29126+265#13270#13005
23M → 24M18911+178#13005#12827
24M → 40K2489+239#12827#12588
40K → 25.2M1047+97#12588#12491
25.2M → Finish16413+151#12491#12340
TOTALS28262098+728
📊

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