Boston Marathon logo
BOSTON MARATHON 2024

Tamara Smith

Bib: 19542•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 42%
Division (F45-49)
#0 / 1753
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
8:18/mi
25:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:45
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:44:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:50:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:11:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:40:41
↑ 181↓ 1480.2%
20M
9:40/mi
2:53:49
↑ 64↓ 500.2%
21M
10:35/mi
3:04:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:36/mi
3:11:35
↑ 17↓ 861.7%
23M
9:40/mi
3:23:41
↑ 23↓ 630.6%
24M
9:37/mi
3:33:18
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:41:39
↓ 200.3%
25.2M
11:16/mi
3:45:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
3:55:06
↑ 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
Time1:50:33
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:04:33
Pace9:30 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2125:478:1825:47
8:18
-
10K
6.21 mi11:45:1851:448:2025:57
8:21
+0:03
15K
9.32 mi12:11:191:17:458:2126:01
8:22
+0:01
20K
12.43 mi12:38:221:44:488:2627:03
8:42
+0:20
Half
13.11 mi12:44:071:50:338:265:45
8:26
-0:16
25K
15.53 mi13:05:282:11:548:2921:21
8:48
+0:22
30K
18.64 mi13:34:152:40:418:3728:47
9:16
+0:28
20M
20.00 mi13:47:232:53:498:4113:08
9:40
+0:24
21M
21.00 mi13:57:583:04:248:4710:35
10:35
+0:55
35K
21.75 mi14:05:093:11:358:497:11
9:36
-0:59
23M
23.00 mi14:17:153:23:418:5112:06
9:40
+0:04
24M
24.00 mi14:26:523:33:188:539:37
9:37
-0:03
40K
24.85 mi14:35:133:41:398:558:21
9:46
+0:09
25.2M
25.20 mi14:39:063:45:328:573:53
11:16
+1:30
Finish
26.22 mi14:48:403:55:068:589:34
9:23
-1:53

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

8:18 /mi

Average Pace

8:58 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:54

56% of race

Time at Steady Pace

1:28:44

38% of race

Time at Slower Pace

14:28

6% of race

Average Pace: 8:58 /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 mi11:19:2125:478:1825:47
8:18
#16649
10K
6.21 mi11:45:1851:448:2025:57
8:21
#16488
15K
9.32 mi12:11:191:17:458:2126:01
8:22
#16174
20K
12.43 mi12:38:221:44:488:2627:03
8:42
#16027
Half
13.11 mi12:44:071:50:338:265:45
8:26
#15988
25K
15.53 mi13:05:282:11:548:2921:21
8:48
#15715
30K
18.64 mi13:34:152:40:418:3728:47
9:16
#15446
20M
20.00 mi13:47:232:53:498:4113:08
9:40
#15444
21M
21.00 mi13:57:583:04:248:4710:35
10:35
#15431
35K
21.75 mi14:05:093:11:358:497:11
9:36
#15473
23M
23.00 mi14:17:153:23:418:5112:06
9:40
#15390
24M
24.00 mi14:26:523:33:188:539:37
9:37
#15392
40K
24.85 mi14:35:133:41:398:558:21
9:46
#15332
25.2M
25.20 mi14:39:063:45:328:573:53
11:16
#15320
Finish
26.22 mi14:48:403:55:068:589:34
9:23
#15326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi166495956595615697(Top 61%)5389(Top 49%)5389(Top 307%)
10K6.21 mi3.10 mi16488+1615854+1025854+10216455(Top 64%)5799(Top 53%)5799(Top 331%)
15K9.32 mi3.11 mi16174+3145655+1995655+19915697(Top 61%)5389(Top 49%)5389(Top 307%)
20K12.43 mi3.11 mi16027+1475591+645591+6415895(Top 62%)5525(Top 51%)5525(Top 315%)
Half13.11 mi0.68 mi15988+395578+135578+1315346(Top 60%)5245(Top 48%)5245(Top 299%)
25K15.53 mi2.42 mi15715+2735435+1435435+14314605(Top 57%)4951(Top 45%)4951(Top 282%)
30K18.64 mi3.11 mi15446+2695346+895346+8914474(Top 57%)5130(Top 47%)5130(Top 293%)
20M20.00 mi1.36 mi15444+25386-405386-4015219(Top 60%)5796(Top 53%)5796(Top 331%)
21M21.00 mi1.00 mi15431+135419-335419-3315110(Top 59%)5879(Top 54%)5879(Top 335%)
35K21.75 mi0.75 mi15473-425477-585477-5815860(Top 62%)6269(Top 57%)6269(Top 358%)
23M23.00 mi1.25 mi15390+835478-15478-114215(Top 56%)5528(Top 51%)5528(Top 315%)
24M24.00 mi1.00 mi15392-25507-295507-2914955(Top 59%)5924(Top 54%)5924(Top 338%)
40K24.85 mi0.85 mi15332+605511-45511-414154(Top 55%)5606(Top 51%)5606(Top 320%)
25.2M25.20 mi0.35 mi15320+125520-95520-915368(Top 60%)6206(Top 57%)6206(Top 354%)
Finish26.22 mi1.02 mi15326-65545-255545-2516034(Top 63%)6524(Top 60%)6524(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15697

Females

5389

F45-49

5389

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16455

Females

5799

F45-49

5799

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15697

Females

5389

F45-49

5389

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15895

Females

5525

F45-49

5525

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15346

Females

5245

F45-49

5245

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

14605

Females

4951

F45-49

4951

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14474

Females

5130

F45-49

5130

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15219

Females

5796

F45-49

5796

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15110

Females

5879

F45-49

5879

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

15860

Females

6269

F45-49

6269

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14215

Females

5528

F45-49

5528

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

14955

Females

5924

F45-49

5924

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14154

Females

5606

F45-49

5606

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15368

Females

6206

F45-49

6206

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16034

Females

6524

F45-49

6524

Passing Analysis

Category:
Athletes Passed
2635
Passed By
1312
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16649
5K → 10K354193+161#16649#16488
10K → 15K40995+314#16488#16174
15K → 20K317170+147#16174#16027
20K → Half6021+39#16027#15988
Half → 25K33865+273#15988#15715
25K → 30K393124+269#15715#15446
30K → 20M119117+2#15446#15444
20M → 21M118105+13#15444#15431
21M → 35K65107-42#15431#15473
35K → 23M15370+83#15473#15390
23M → 24M8385-2#15390#15392
24M → 40K11050+60#15392#15332
40K → 25.2M4836+12#15332#15320
25.2M → Finish6874-6#15320#15326
TOTALS26351312+1323
📊

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