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BOSTON MARATHON 2024

Kristin Sonon

Bib: 17351•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:16:51
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:44:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:50:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:20/mi
2:13:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:19/mi
2:45:09
↑ 181↓ 1480.2%
20M
10:14/mi
2:59:03
↑ 64↓ 500.2%
21M
11:48/mi
3:10:51
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:18:27
↑ 17↓ 861.7%
23M
11:09/mi
3:32:25
↑ 23↓ 630.6%
24M
10:07/mi
3:42:32
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:51:11
↓ 200.3%
25.2M
10:55/mi
3:54:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:38/mi
4:04:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:14:17
Pace10:15 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2825:088:0525:08
8:05
-
10K
6.21 mi11:42:0650:468:1025:38
8:15
+0:10
15K
9.32 mi12:08:111:16:518:1526:05
8:24
+0:09
20K
12.43 mi12:35:461:44:268:2427:35
8:53
+0:29
Half
13.11 mi12:41:491:50:298:266:03
8:52
-0:01
25K
15.53 mi13:04:272:13:078:3422:38
9:20
+0:28
30K
18.64 mi13:36:292:45:098:5232:02
10:19
+0:59
20M
20.00 mi13:50:232:59:038:5713:54
10:14
-0:05
21M
21.00 mi14:02:113:10:519:0511:48
11:48
+1:34
35K
21.75 mi14:09:473:18:279:077:36
10:10
-1:38
23M
23.00 mi14:23:453:32:259:1413:58
11:09
+0:59
24M
24.00 mi14:33:523:42:329:1610:07
10:07
-1:02
40K
24.85 mi14:42:313:51:119:188:39
10:07
0:00
25.2M
25.20 mi14:46:173:54:579:193:46
10:55
+0:48
Finish
26.22 mi14:56:064:04:469:219:49
9:38
-1:17

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

8:05 /mi

Average Pace

9:21 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:07

54% of race

Time at Steady Pace

1:22:07

34% of race

Time at Slower Pace

29:32

12% of race

Average Pace: 9:20 /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 mi11:16:2825:088:0525:08
8:05
#15325
10K
6.21 mi11:42:0650:468:1025:38
8:15
#15583
15K
9.32 mi12:08:111:16:518:1526:05
8:24
#15606
20K
12.43 mi12:35:461:44:268:2427:35
8:53
#15863
Half
13.11 mi12:41:491:50:298:266:03
8:52
#15963
25K
15.53 mi13:04:272:13:078:3422:38
9:20
#16146
30K
18.64 mi13:36:292:45:098:5232:02
10:19
#16691
20M
20.00 mi13:50:232:59:038:5713:54
10:14
#16776
21M
21.00 mi14:02:113:10:519:0511:48
11:48
#16940
35K
21.75 mi14:09:473:18:279:077:36
10:10
#16974
23M
23.00 mi14:23:453:32:259:1413:58
11:09
#17159
24M
24.00 mi14:33:523:42:329:1610:07
10:07
#17155
40K
24.85 mi14:42:313:51:119:188:39
10:07
#17065
25.2M
25.20 mi14:46:173:54:579:193:46
10:55
#16993
Finish
26.22 mi14:56:064:04:469:219:49
9:38
#16969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi153255148514815821(Top 62%)5463(Top 50%)5463(Top 339%)
10K6.21 mi3.10 mi15583-2585288-1405288-14015840(Top 62%)5438(Top 50%)5438(Top 337%)
15K9.32 mi3.11 mi15606-235312-245312-2415821(Top 62%)5463(Top 50%)5463(Top 339%)
20K12.43 mi3.11 mi15863-2575495-1835495-18316788(Top 66%)6056(Top 55%)6056(Top 375%)
Half13.11 mi0.68 mi15963-1005565-705565-7017678(Top 69%)6619(Top 61%)6619(Top 410%)
25K15.53 mi2.42 mi16146-1835698-1335698-13316937(Top 66%)6236(Top 57%)6236(Top 387%)
30K18.64 mi3.11 mi16691-5456084-3866084-38618275(Top 72%)7190(Top 66%)7190(Top 446%)
20M20.00 mi1.36 mi16776-856163-796163-7917207(Top 67%)6822(Top 62%)6822(Top 423%)
21M21.00 mi1.00 mi16940-1646297-1346297-13418352(Top 72%)7502(Top 69%)7502(Top 465%)
35K21.75 mi0.75 mi16974-346333-366333-3617644(Top 69%)7153(Top 65%)7153(Top 443%)
23M23.00 mi1.25 mi17159-1856460-1276460-12718851(Top 74%)7812(Top 72%)7812(Top 484%)
24M24.00 mi1.00 mi17155+46477-176477-1716706(Top 65%)6790(Top 62%)6790(Top 421%)
40K24.85 mi0.85 mi17065+906466+116466+1115442(Top 60%)6237(Top 57%)6237(Top 387%)
25.2M25.20 mi0.35 mi16993+726445+216445+2114285(Top 56%)5708(Top 52%)5708(Top 354%)
Finish26.22 mi1.02 mi16969+246460-156460-1517102(Top 67%)7054(Top 65%)7054(Top 437%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

15821

Females

5463

F40-44

5463

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15840

Females

5438

F40-44

5438

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

15821

Females

5463

F40-44

5463

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16788

Females

6056

F40-44

6056

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

17678

Females

6619

F40-44

6619

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

16937

Females

6236

F40-44

6236

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18275

Females

7190

F40-44

7190

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17207

Females

6822

F40-44

6822

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

18352

Females

7502

F40-44

7502

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

17644

Females

7153

F40-44

7153

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

18851

Females

7812

F40-44

7812

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16706

Females

6790

F40-44

6790

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15442

Females

6237

F40-44

6237

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14285

Females

5708

F40-44

5708

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17102

Females

7054

F40-44

7054

Passing Analysis

Category:
Athletes Passed
1486
Passed By
3130
Net Change
-1644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15325
5K → 10K187445-258#15325#15583
10K → 15K231254-23#15583#15606
15K → 20K177434-257#15606#15863
20K → Half16116-100#15863#15963
Half → 25K157340-183#15963#16146
25K → 30K93638-545#16146#16691
30K → 20M90175-85#16691#16776
20M → 21M61225-164#16776#16940
21M → 35K6195-34#16940#16974
35K → 23M54239-185#16974#17159
23M → 24M7773+4#17159#17155
24M → 40K12232+90#17155#17065
40K → 25.2M797+72#17065#16993
25.2M → Finish8157+24#16993#16969
TOTALS14863130-1644
📊

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