Boston Marathon logo
BOSTON MARATHON 2024

Carly Christofi

Bib: 25989•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:17
Rank: #21519
Start → 5K
9:26/mi
29:17 split
10K· 6.21 mi
57:28
Rank: #20818 (+701)
5K → 10K
9:04/mi
28:11 split
15K· 9.32 mi
1:25:39
Rank: #20296 (+522)
10K → 15K
9:04/mi
28:11 split
20K· 12.43 mi
1:57:56
Rank: #20659 (-363)
15K → 20K
10:23/mi
32:17 split
Half· 13.11 mi
2:04:32
Rank: #20654 (+5)
20K → Half
9:40/mi
6:36 split
25K· 15.53 mi
2:32:22
Rank: #20971 (-317)
Half → 25K
11:29/mi
27:50 split
30K· 18.64 mi
3:10:59
Rank: #21364 (-393)
25K → 30K
12:26/mi
38:37 split
20M
3:27:59
Rank: #21434 (-70)
30K → 20M
12:31/mi
17:00 split
21M
3:40:18
Rank: #21340 (+94)
20M → 21M
12:19/mi
12:19 split
35K· 21.75 mi
3:50:28
Rank: #21491 (-151)
21M → 35K
13:35/mi
10:10 split
23M
4:11:16
Rank: #21975 (-484)
35K → 23M
16:37/mi
20:48 split
24M
4:22:18
Rank: #21859 (+116)
23M → 24M
11:02/mi
11:02 split
40K· 24.85 mi
4:32:22
Rank: #21779 (+80)
24M → 40K
11:46/mi
10:04 split
25.2M
4:37:32
Rank: #21803 (-24)
40K → 25.2M
14:59/mi
5:10 split
Finish· 26.22 mi
4:46:53
Rank: #21653 (+150)
25.2M → Finish
9:11/mi
9:21 split

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
Time2:04:32
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:42:21
Pace12:23 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2729:179:2629:17
9:26
-
10K
6.21 mi12:13:3857:289:1528:11
9:04
-0:22
15K
9.32 mi12:41:491:25:399:1128:11
9:04
0:00
20K
12.43 mi13:14:061:57:569:2932:17
10:23
+1:19
Half
13.11 mi13:20:422:04:329:306:36
9:40
-0:43
25K
15.53 mi13:48:322:32:229:4927:50
11:29
+1:49
30K
18.64 mi14:27:093:10:5910:1538:37
12:26
+0:57
20M
20.00 mi14:44:093:27:5910:2417:00
12:31
+0:05
21M
21.00 mi14:56:283:40:1810:2912:19
12:19
-0:12
35K
21.75 mi15:06:383:50:2810:3610:10
13:35
+1:16
23M
23.00 mi15:27:264:11:1610:5520:48
16:37
+3:02
24M
24.00 mi15:38:284:22:1810:5611:02
11:02
-5:35
40K
24.85 mi15:48:324:32:2210:5710:04
11:46
+0:44
25.2M
25.20 mi15:53:424:37:3211:015:10
14:59
+3:13
Finish
26.22 mi16:03:034:46:5310:579:21
9:11
-5:48

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

9:04 /mi

Average Pace

10:57 /mi

Slowest Pace

16:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:53

47% of race

Time at Steady Pace

1:56:52

41% of race

Time at Slower Pace

36:08

13% of race

Average Pace: 10:56 /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 mi11:45:2729:179:2629:17
9:26
#21519
10K
6.21 mi12:13:3857:289:1528:11
9:04
#20818
15K
9.32 mi12:41:491:25:399:1128:11
9:04
#20296
20K
12.43 mi13:14:061:57:569:2932:17
10:23
#20659
Half
13.11 mi13:20:422:04:329:306:36
9:40
#20654
25K
15.53 mi13:48:322:32:229:4927:50
11:29
#20971
30K
18.64 mi14:27:093:10:5910:1538:37
12:26
#21364
20M
20.00 mi14:44:093:27:5910:2417:00
12:31
#21434
21M
21.00 mi14:56:283:40:1810:2912:19
12:19
#21340
35K
21.75 mi15:06:383:50:2810:3610:10
13:35
#21491
23M
23.00 mi15:27:264:11:1610:5520:48
16:37
#21975
24M
24.00 mi15:38:284:22:1810:5611:02
11:02
#21859
40K
24.85 mi15:48:324:32:2210:5710:04
11:46
#21779
25.2M
25.20 mi15:53:424:37:3211:015:10
14:59
#21803
Finish
26.22 mi16:03:034:46:5310:579:21
9:11
#21653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215198681868119221(Top 75%)7368(Top 67%)7368(Top 158%)
10K6.21 mi3.10 mi20818+7018291+3908291+39020040(Top 78%)7855(Top 72%)7855(Top 169%)
15K9.32 mi3.11 mi20296+5227986+3057986+30519221(Top 75%)7368(Top 67%)7368(Top 158%)
20K12.43 mi3.11 mi20659-3638175-1898175-18921446(Top 84%)8605(Top 79%)8605(Top 185%)
Half13.11 mi0.68 mi20654+58182-78182-720618(Top 81%)8222(Top 75%)8222(Top 176%)
25K15.53 mi2.42 mi20971-3178363-1818363-18122375(Top 88%)9201(Top 84%)9201(Top 197%)
30K18.64 mi3.11 mi21364-3938624-2618624-26122591(Top 88%)9444(Top 86%)9444(Top 203%)
20M20.00 mi1.36 mi21434-708700-768700-7622196(Top 87%)9348(Top 86%)9348(Top 201%)
21M21.00 mi1.00 mi21340+948667+338667+3319506(Top 76%)8074(Top 74%)8074(Top 173%)
35K21.75 mi0.75 mi21491-1518759-928759-9223922(Top 94%)10262(Top 94%)10262(Top 220%)
23M23.00 mi1.25 mi21975-4849022-2639022-26325238(Top 99%)10824(Top 99%)10824(Top 232%)
24M24.00 mi1.00 mi21859+1168994+288994+2819332(Top 76%)8124(Top 74%)8124(Top 174%)
40K24.85 mi0.85 mi21779+808976+188976+1819994(Top 78%)8518(Top 78%)8518(Top 183%)
25.2M25.20 mi0.35 mi21803-248991-158991-1523015(Top 90%)9931(Top 91%)9931(Top 213%)
Finish26.22 mi1.02 mi21653+1508933+588933+5815078(Top 59%)6030(Top 55%)6030(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19221

Females

7368

F18-39

7368

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20040

Females

7855

F18-39

7855

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19221

Females

7368

F18-39

7368

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

21446

Females

8605

F18-39

8605

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20618

Females

8222

F18-39

8222

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22375

Females

9201

F18-39

9201

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

22591

Females

9444

F18-39

9444

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22196

Females

9348

F18-39

9348

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

19506

Females

8074

F18-39

8074

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

23922

Females

10262

F18-39

10262

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

25238

Females

10824

F18-39

10824

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

19332

Females

8124

F18-39

8124

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19994

Females

8518

F18-39

8518

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23015

Females

9931

F18-39

9931

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15078

Females

6030

F18-39

6030

Passing Analysis

Category:
Athletes Passed
2146
Passed By
2280
Net Change
-134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21519
5K → 10K73534+701#21519#20818
10K → 15K55533+522#20818#20296
15K → 20K85448-363#20296#20659
20K → Half3732+5#20659#20654
Half → 25K75392-317#20654#20971
25K → 30K71464-393#20971#21364
30K → 20M60130-70#21364#21434
20M → 21M12228+94#21434#21340
21M → 35K19170-151#21340#21491
35K → 23M11495-484#21491#21975
23M → 24M1248+116#21975#21859
24M → 40K9313+80#21859#21779
40K → 25.2M832-24#21779#21803
25.2M → Finish1511+150#21803#21653
TOTALS21462280-134
📊

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