Boston Marathon logo
BOSTON MARATHON 2024

Tiger Lu

Bib: 3900•M

CT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #2852
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
40:19
Rank: #3091 (-239)
5K → 10K
20:22 | 6:33/mi
15K· 9.32 mi
1:00:48
Rank: #3118 (-27)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:21:39
Rank: #3092 (+26)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:26:13
Rank: #3116 (-24)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:42:55
Rank: #3139 (-23)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:05:54
Rank: #3400 (-261)
25K → 30K
22:59 | 7:24/mi
20M
2:20:37
Rank: #4856 (-1456)
30K → 20M
14:43 | 10:50/mi
21M
2:29:57
Rank: #5074 (-218)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
2:37:32
Rank: #5509 (-435)
21M → 35K
7:35 | 10:08/mi
23M
2:57:21
Rank: #8116 (-2607)
35K → 23M
19:49 | 15:50/mi
24M
3:21:31
Rank: #12474 (-4358)
23M → 24M
24:10 | 24:10/mi
40K· 24.85 mi
3:35:28
Rank: #13945 (-1471)
24M → 40K
13:57 | 16:19/mi
25.2M
3:42:03
Rank: #14533 (-588)
40K → 25.2M
6:35 | 19:05/mi
Finish· 26.22 mi
3:57:01
Rank: #15674 (-1141)
25.2M → Finish
14:58 | 14:41/mi

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
Time1:26:13
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time2:30:48
Pace11:30 /mi
📊Positive Split: 74.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5019:576:2519:57
6:25
-
10K
6.21 mi10:44:1240:196:2920:22
6:33
+0:08
15K
9.32 mi11:04:411:00:486:3120:29
6:36
+0:03
20K
12.43 mi11:25:321:21:396:3420:51
6:43
+0:07
Half
13.11 mi11:30:061:26:136:354:34
6:42
-0:01
25K
15.53 mi11:46:481:42:556:3816:42
6:53
+0:11
30K
18.64 mi12:09:472:05:546:4522:59
7:24
+0:31
20M
20.00 mi12:24:302:20:377:0214:43
10:50
+3:26
21M
21.00 mi12:33:502:29:577:089:20
9:20
-1:30
35K
21.75 mi12:41:252:37:327:157:35
10:08
+0:48
23M
23.00 mi13:01:142:57:217:4319:49
15:50
+5:42
24M
24.00 mi13:25:243:21:318:2424:10
24:10
+8:20
40K
24.85 mi13:39:213:35:288:4013:57
16:19
-7:51
25.2M
25.20 mi13:45:563:42:038:496:35
19:05
+2:46
Finish
26.22 mi14:00:543:57:019:0314:58
14:41
-4:24

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

6:25 /mi

Average Pace

9:03 /mi

Slowest Pace

24:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:48

26% of race

Time at Steady Pace

1:36:44

41% of race

Time at Slower Pace

1:19:29

34% of race

Average Pace: 9:02 /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 mi10:23:5019:576:2519:57
6:25
#2852
10K
6.21 mi10:44:1240:196:2920:22
6:33
#3091
15K
9.32 mi11:04:411:00:486:3120:29
6:36
#3118
20K
12.43 mi11:25:321:21:396:3420:51
6:43
#3092
Half
13.11 mi11:30:061:26:136:354:34
6:42
#3116
25K
15.53 mi11:46:481:42:556:3816:42
6:53
#3139
30K
18.64 mi12:09:472:05:546:4522:59
7:24
#3400
20M
20.00 mi12:24:302:20:377:0214:43
10:50
#4856
21M
21.00 mi12:33:502:29:577:089:20
9:20
#5074
35K
21.75 mi12:41:252:37:327:157:35
10:08
#5509
23M
23.00 mi13:01:142:57:217:4319:49
15:50
#8116
24M
24.00 mi13:25:243:21:318:2424:10
24:10
#12474
40K
24.85 mi13:39:213:35:288:4013:57
16:19
#13945
25.2M
25.20 mi13:45:563:42:038:496:35
19:05
#14533
Finish
26.22 mi14:00:543:57:019:0314:58
14:41
#15674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2852273327333240(Top 13%)3086(Top 21%)3086(Top 64%)
10K6.21 mi3.10 mi3091-2392950-2172950-2173361(Top 13%)3195(Top 22%)3195(Top 66%)
15K9.32 mi3.11 mi3118-272972-222972-223240(Top 13%)3086(Top 21%)3086(Top 64%)
20K12.43 mi3.11 mi3092+262949+232949+233296(Top 13%)3127(Top 21%)3127(Top 64%)
Half13.11 mi0.68 mi3116-242973-242973-243798(Top 15%)3568(Top 24%)3568(Top 74%)
25K15.53 mi2.42 mi3139-232987-142987-143731(Top 15%)3472(Top 24%)3472(Top 72%)
30K18.64 mi3.11 mi3400-2613211-2243211-2244626(Top 18%)4082(Top 28%)4082(Top 84%)
20M20.00 mi1.36 mi4856-14564433-12224433-122218852(Top 74%)11168(Top 77%)11168(Top 230%)
21M21.00 mi1.00 mi5074-2184563-1304563-13010111(Top 40%)6807(Top 47%)6807(Top 140%)
35K21.75 mi0.75 mi5509-4354858-2954858-29517566(Top 69%)10407(Top 71%)10407(Top 215%)
23M23.00 mi1.25 mi8116-26076469-16116469-161125039(Top 98%)14243(Top 98%)14243(Top 294%)
24M24.00 mi1.00 mi12474-43588566-20978566-209725529(Top 100%)14567(Top 100%)14567(Top 300%)
40K24.85 mi0.85 mi13945-14719174-6089174-60825061(Top 98%)14235(Top 98%)14235(Top 294%)
25.2M25.20 mi0.35 mi14533-5889414-2409414-24025253(Top 99%)14367(Top 99%)14367(Top 296%)
Finish26.22 mi1.02 mi15674-11419912-4989912-49825121(Top 98%)14254(Top 98%)14254(Top 294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3240

Males

3086

M18-39

3086

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3361

Males

3195

M18-39

3195

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3240

Males

3086

M18-39

3086

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3296

Males

3127

M18-39

3127

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3798

Males

3568

M18-39

3568

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3731

Males

3472

M18-39

3472

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4626

Males

4082

M18-39

4082

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18852

Males

11168

M18-39

11168

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10111

Males

6807

M18-39

6807

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

17566

Males

10407

M18-39

10407

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

25039

Males

14243

M18-39

14243

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

25529

Males

14567

M18-39

14567

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25061

Males

14235

M18-39

14235

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25253

Males

14367

M18-39

14367

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

25121

Males

14254

M18-39

14254

Passing Analysis

Category:
Athletes Passed
596
Passed By
13416
Net Change
-12822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2852
5K → 10K60299-239#2852#3091
10K → 15K109136-27#3091#3118
15K → 20K11690+26#3118#3092
20K → Half1135-24#3092#3116
Half → 25K99122-23#3116#3139
25K → 30K114375-261#3139#3400
30K → 20M31459-1456#3400#4856
20M → 21M48266-218#4856#5074
21M → 35K12447-435#5074#5509
35K → 23M22609-2607#5509#8116
23M → 24M04356-4358#8116#12474
24M → 40K61477-1471#12474#13945
40K → 25.2M4592-588#13945#14533
25.2M → Finish121153-1141#14533#15674
TOTALS59613416-12822
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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