Boston Marathon logo
BOSTON MARATHON 2024

Tiffany Chandler

Bib: 16462•F

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Division (F18-39)
#0 / 4660
Top 43%
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
7:34/mi
23:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
46:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:10:17
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:34:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
1:59:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:26:20
↑ 181↓ 1480.2%
20M
8:40/mi
2:38:06
↑ 64↓ 500.2%
21M
9:46/mi
2:47:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
2:54:25
↑ 17↓ 861.7%
23M
8:47/mi
3:05:25
↑ 23↓ 630.6%
24M
8:43/mi
3:14:08
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:21:52
↓ 200.3%
25.2M
9:28/mi
3:25:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:33:46
↑ 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
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4523:297:3423:29
7:34
-
10K
6.21 mi11:36:5646:407:3123:11
7:28
-0:06
15K
9.32 mi12:00:331:10:177:3223:37
7:36
+0:08
20K
12.43 mi12:25:101:34:547:3824:37
7:55
+0:19
Half
13.11 mi12:30:281:40:127:395:18
7:46
-0:09
25K
15.53 mi12:50:091:59:537:4319:41
8:07
+0:21
30K
18.64 mi13:16:362:26:207:5126:27
8:31
+0:24
20M
20.00 mi13:28:222:38:067:5411:46
8:40
+0:09
21M
21.00 mi13:38:082:47:528:009:46
9:46
+1:06
35K
21.75 mi13:44:412:54:258:016:33
8:45
-1:01
23M
23.00 mi13:55:413:05:258:0411:00
8:47
+0:02
24M
24.00 mi14:04:243:14:088:058:43
8:43
-0:04
40K
24.85 mi14:12:083:21:528:077:44
9:03
+0:20
25.2M
25.20 mi14:15:243:25:088:083:16
9:28
+0:25
Finish
26.22 mi14:24:023:33:468:108:38
8:28
-1:00

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

7:28 /mi

Average Pace

8:10 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:53

56% of race

Time at Steady Pace

1:13:07

34% of race

Time at Slower Pace

20:46

10% of race

Average Pace: 8:09 /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 mi11:13:4523:297:3423:29
7:34
#11257
10K
6.21 mi11:36:5646:407:3123:11
7:28
#10581
15K
9.32 mi12:00:331:10:177:3223:37
7:36
#10515
20K
12.43 mi12:25:101:34:547:3824:37
7:55
#10672
Half
13.11 mi12:30:281:40:127:395:18
7:46
#10694
25K
15.53 mi12:50:091:59:537:4319:41
8:07
#10672
30K
18.64 mi13:16:362:26:207:5126:27
8:31
#10625
20M
20.00 mi13:28:222:38:067:5411:46
8:40
#10542
21M
21.00 mi13:38:082:47:528:009:46
9:46
#10579
35K
21.75 mi13:44:412:54:258:016:33
8:45
#10599
23M
23.00 mi13:55:413:05:258:0411:00
8:47
#10518
24M
24.00 mi14:04:243:14:088:058:43
8:43
#10491
40K
24.85 mi14:12:083:21:528:077:44
9:03
#10490
25.2M
25.20 mi14:15:243:25:088:083:16
9:28
#10455
Finish
26.22 mi14:24:023:33:468:108:38
8:28
#10463
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112572704270410446(Top 41%)2405(Top 22%)2405(Top 52%)
10K6.21 mi3.10 mi10581+6762371+3332371+3339964(Top 39%)2083(Top 19%)2083(Top 45%)
15K9.32 mi3.11 mi10515+662362+92362+910446(Top 41%)2405(Top 22%)2405(Top 52%)
20K12.43 mi3.11 mi10672-1572486-1242486-12411280(Top 44%)2949(Top 27%)2949(Top 63%)
Half13.11 mi0.68 mi10694-222510-242510-2411151(Top 44%)2891(Top 26%)2891(Top 62%)
25K15.53 mi2.42 mi10672+222564-542564-5410918(Top 43%)2925(Top 27%)2925(Top 63%)
30K18.64 mi3.11 mi10625+472632-682632-6810738(Top 42%)3063(Top 28%)3063(Top 66%)
20M20.00 mi1.36 mi10542+832652-202652-2010324(Top 40%)3110(Top 28%)3110(Top 67%)
21M21.00 mi1.00 mi10579-372729-772729-7711986(Top 47%)4248(Top 39%)4248(Top 91%)
35K21.75 mi0.75 mi10599-202765-362765-3612112(Top 47%)4339(Top 40%)4339(Top 93%)
23M23.00 mi1.25 mi10518+812794-292794-2910026(Top 39%)3408(Top 31%)3408(Top 73%)
24M24.00 mi1.00 mi10491+272818-242818-2410688(Top 42%)3770(Top 35%)3770(Top 81%)
40K24.85 mi0.85 mi10490+12873-552873-5511073(Top 43%)4081(Top 37%)4081(Top 88%)
25.2M25.20 mi0.35 mi10455+352869+42869+48667(Top 34%)2991(Top 27%)2991(Top 64%)
Finish26.22 mi1.02 mi10463-82914-452914-4511361(Top 44%)4148(Top 38%)4148(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10446

Females

2405

F18-39

2405

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

9964

Females

2083

F18-39

2083

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10446

Females

2405

F18-39

2405

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11280

Females

2949

F18-39

2949

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11151

Females

2891

F18-39

2891

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

10918

Females

2925

F18-39

2925

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10738

Females

3063

F18-39

3063

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10324

Females

3110

F18-39

3110

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

11986

Females

4248

F18-39

4248

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12112

Females

4339

F18-39

4339

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10026

Females

3408

F18-39

3408

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

10688

Females

3770

F18-39

3770

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11073

Females

4081

F18-39

4081

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8667

Females

2991

F18-39

2991

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11361

Females

4148

F18-39

4148

Passing Analysis

Category:
Athletes Passed
2637*
Passed By
1843
Net Change
+794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11257
5K → 10K73357+676#11257#10581
10K → 15K241175+66#10581#10515
15K → 20K171328-157#10515#10672
20K → Half4163-22#10672#10694
Half → 25K244222+22#10694#10672
25K → 30K311264+47#10672#10625
30K → 20M17693+83#10625#10542
20M → 21M127164-37#10542#10579
21M → 35K7090-20#10579#10599
35K → 23M18099+81#10599#10518
23M → 24M10881+27#10518#10491
24M → 40K106*105+1#10491#10490
40K → 25.2M5318+35#10490#10455
25.2M → Finish7684-8#10455#10463
TOTALS2637*1843+794

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

📊

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