Boston Marathon logo
BOSTON MARATHON 2024

Briee Mercier

Bib: 9631•F

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 11%
Gender (Female)
#0 / 10924
Top 2%
Division (F18-39)
#0 / 4660
Top 4%
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
6:55/mi
21:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:27
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:33
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:51
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:28
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:46:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:07:46
↑ 181↓ 1480.2%
20M
6:57/mi
2:17:13
↑ 64↓ 500.2%
21M
7:16/mi
2:24:29
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:29:21
↑ 17↓ 861.7%
23M
6:55/mi
2:38:00
↑ 23↓ 630.6%
24M
6:56/mi
2:44:56
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:50:53
↓ 200.3%
25.2M
7:38/mi
2:53:31
↑ 13↓ 160.2%
Finish· 26.22 mi
6:16/mi
2:59:54
↑ 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
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:26
Pace6:54 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2621:306:5521:30
6:55
-
10K
6.21 mi11:08:2342:276:5020:57
6:45
-0:10
15K
9.32 mi11:29:291:03:336:4921:06
6:47
+0:02
20K
12.43 mi11:50:471:24:516:5021:18
6:51
+0:04
Half
13.11 mi11:55:241:29:286:494:37
6:46
-0:05
25K
15.53 mi12:12:121:46:166:5016:48
6:56
+0:10
30K
18.64 mi12:33:422:07:466:5121:30
6:55
-0:01
20M
20.00 mi12:43:092:17:136:529:27
6:57
+0:02
21M
21.00 mi12:50:252:24:296:537:16
7:16
+0:19
35K
21.75 mi12:55:172:29:216:524:52
6:30
-0:46
23M
23.00 mi13:03:562:38:006:528:39
6:55
+0:25
24M
24.00 mi13:10:522:44:566:526:56
6:56
+0:01
40K
24.85 mi13:16:492:50:536:535:57
6:58
+0:02
25.2M
25.20 mi13:19:272:53:316:532:38
7:38
+0:40
Finish
26.22 mi13:25:502:59:546:526:23
6:16
-1:22

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

6:16 /mi

Average Pace

6:52 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:49

20% of race

Time at Steady Pace

2:13:11

74% of race

Time at Slower Pace

9:54

6% of race

Average Pace: 6:52 /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 mi10:47:2621:306:5521:30
6:55
#6528
10K
6.21 mi11:08:2342:276:5020:57
6:45
#5669
15K
9.32 mi11:29:291:03:336:4921:06
6:47
#5320
20K
12.43 mi11:50:471:24:516:5021:18
6:51
#4991
Half
13.11 mi11:55:241:29:286:494:37
6:46
#4946
25K
15.53 mi12:12:121:46:166:5016:48
6:56
#4661
30K
18.64 mi12:33:422:07:466:5121:30
6:55
#4114
20M
20.00 mi12:43:092:17:136:529:27
6:57
#3826
21M
21.00 mi12:50:252:24:296:537:16
7:16
#3585
35K
21.75 mi12:55:172:29:216:524:52
6:30
#3442
23M
23.00 mi13:03:562:38:006:528:39
6:55
#3243
24M
24.00 mi13:10:522:44:566:526:56
6:56
#3157
40K
24.85 mi13:16:492:50:536:535:57
6:58
#3053
25.2M
25.20 mi13:19:272:53:316:532:38
7:38
#3006
Finish
26.22 mi13:25:502:59:546:526:23
6:16
#2874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65286936934662(Top 18%)322(Top 3%)322(Top 7%)
10K6.21 mi3.10 mi5669+859481+212481+2124702(Top 18%)323(Top 3%)323(Top 7%)
15K9.32 mi3.11 mi5320+349403+78403+784662(Top 18%)322(Top 3%)322(Top 7%)
20K12.43 mi3.11 mi4991+329363+40363+404317(Top 17%)304(Top 3%)304(Top 7%)
Half13.11 mi0.68 mi4946+45360+3360+34326(Top 17%)293(Top 3%)293(Top 6%)
25K15.53 mi2.42 mi4661+285333+27333+273979(Top 16%)291(Top 3%)291(Top 6%)
30K18.64 mi3.11 mi4114+547268+65268+652482(Top 10%)147(Top 1%)147(Top 3%)
20M20.00 mi1.36 mi3826+288244+24244+242173(Top 9%)129(Top 1%)129(Top 3%)
21M21.00 mi1.00 mi3585+241229+15229+151773(Top 7%)109(Top 1.0%)109(Top 2%)
35K21.75 mi0.75 mi3442+143221+8221+81304(Top 5%)73(Top 0.7%)73(Top 2%)
23M23.00 mi1.25 mi3243+199205+16205+161650(Top 6%)116(Top 1%)116(Top 2%)
24M24.00 mi1.00 mi3157+86201+4201+42128(Top 8%)204(Top 2%)204(Top 4%)
40K24.85 mi0.85 mi3053+104196+5196+51753(Top 7%)158(Top 1%)158(Top 3%)
25.2M25.20 mi0.35 mi3006+471961961794(Top 7%)187(Top 2%)187(Top 4%)
Finish26.22 mi1.02 mi2874+132187+9187+9864(Top 3%)60(Top 0.5%)60(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4662

Females

322

F18-39

322

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4702

Females

323

F18-39

323

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4662

Females

322

F18-39

322

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4317

Females

304

F18-39

304

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4326

Females

293

F18-39

293

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

3979

Females

291

F18-39

291

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2482

Females

147

F18-39

147

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2173

Females

129

F18-39

129

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1773

Females

109

F18-39

109

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1304

Females

73

F18-39

73

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1650

Females

116

F18-39

116

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2128

Females

204

F18-39

204

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1753

Females

158

F18-39

158

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1794

Females

187

F18-39

187

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

864

Females

60

F18-39

60

Passing Analysis

Category:
Athletes Passed
3791
Passed By
137
Net Change
+3654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6528
5K → 10K8689+859#6528#5669
10K → 15K36516+349#5669#5320
15K → 20K35122+329#5320#4991
20K → Half5813+45#4991#4946
Half → 25K32641+285#4946#4661
25K → 30K5536+547#4661#4114
30K → 20M2902+288#4114#3826
20M → 21M2410+241#3826#3585
21M → 35K1430+143#3585#3442
35K → 23M2023+199#3442#3243
23M → 24M10317+86#3243#3157
24M → 40K1084+104#3157#3053
40K → 25.2M503+47#3053#3006
25.2M → Finish1331+132#3006#2874
TOTALS3791137+3654
📊

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