Boston Marathon logo
BOSTON MARATHON 2024

Kelli Brockmann

Bib: 20287•F

IA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 47%
Gender (Female)
#0 / 10924
Top 34%
Masters (Masters Women)
#0 / 6263
Top 22%
Division (F45-49)
#0 / 1753
Top 27%
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
8:22/mi
25:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
53:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:19:12
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:45:20
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:50:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:11:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:37:21
↑ 181↓ 1480.2%
20M
8:27/mi
2:48:50
↑ 64↓ 500.2%
21M
8:48/mi
2:57:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:03:49
↑ 17↓ 861.7%
23M
8:20/mi
3:14:15
↑ 23↓ 630.6%
24M
8:02/mi
3:22:17
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:29:17
↓ 200.3%
25.2M
9:05/mi
3:32:25
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:40:14
↑ 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 Half
Distance13.11 mi
Time1:50:57
Pace8:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:17
Pace8:20 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4525:598:2225:59
8:22
-
10K
6.21 mi11:48:0153:158:3427:16
8:47
+0:25
15K
9.32 mi12:13:581:19:128:3025:57
8:21
-0:26
20K
12.43 mi12:40:061:45:208:2926:08
8:25
+0:04
Half
13.11 mi12:45:431:50:578:285:37
8:14
-0:11
25K
15.53 mi13:05:472:11:018:2620:04
8:17
+0:03
30K
18.64 mi13:32:072:37:218:2626:20
8:29
+0:12
20M
20.00 mi13:43:362:48:508:2611:29
8:27
-0:02
21M
21.00 mi13:52:242:57:388:288:48
8:48
+0:21
35K
21.75 mi13:58:353:03:498:276:11
8:16
-0:32
23M
23.00 mi14:09:013:14:158:2710:26
8:20
+0:04
24M
24.00 mi14:17:033:22:178:268:02
8:02
-0:18
40K
24.85 mi14:24:033:29:178:257:00
8:11
+0:09
25.2M
25.20 mi14:27:113:32:258:263:08
9:05
+0:54
Finish
26.22 mi14:35:003:40:148:247:49
7:40
-1:25

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

7:40 /mi

Average Pace

8:24 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:13

65% of race

Time at Steady Pace

1:13:53

34% of race

Time at Slower Pace

3:08

1% of race

Average Pace: 8:24 /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 mi11:20:4525:598:2225:59
8:22
#17028
10K
6.21 mi11:48:0153:158:3427:16
8:47
#17911
15K
9.32 mi12:13:581:19:128:3025:57
8:21
#17068
20K
12.43 mi12:40:061:45:208:2926:08
8:25
#16281
Half
13.11 mi12:45:431:50:578:285:37
8:14
#16144
25K
15.53 mi13:05:472:11:018:2620:04
8:17
#15406
30K
18.64 mi13:32:072:37:218:2626:20
8:29
#14471
20M
20.00 mi13:43:362:48:508:2611:29
8:27
#14036
21M
21.00 mi13:52:242:57:388:288:48
8:48
#13597
35K
21.75 mi13:58:353:03:498:276:11
8:16
#13403
23M
23.00 mi14:09:013:14:158:2710:26
8:20
#12989
24M
24.00 mi14:17:033:22:178:268:02
8:02
#12683
40K
24.85 mi14:24:033:29:178:257:00
8:11
#12382
25.2M
25.20 mi14:27:113:32:258:263:08
9:05
#12275
Finish
26.22 mi14:35:003:40:148:247:49
7:40
#12042
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi170286183618315569(Top 61%)5298(Top 48%)5298(Top 302%)
10K6.21 mi3.10 mi17911-8836684-5016684-50118754(Top 73%)7164(Top 66%)7164(Top 409%)
15K9.32 mi3.11 mi17068+8436189+4956189+49515569(Top 61%)5298(Top 48%)5298(Top 302%)
20K12.43 mi3.11 mi16281+7875734+4555734+45514314(Top 56%)4616(Top 42%)4616(Top 263%)
Half13.11 mi0.68 mi16144+1375666+685666+6814217(Top 56%)4577(Top 42%)4577(Top 261%)
25K15.53 mi2.42 mi15406+7385241+4255241+42511859(Top 46%)3439(Top 31%)3439(Top 196%)
30K18.64 mi3.11 mi14471+9354762+4794762+47910547(Top 41%)2963(Top 27%)2963(Top 169%)
20M20.00 mi1.36 mi14036+4354561+2014561+2019210(Top 36%)2570(Top 24%)2570(Top 147%)
21M21.00 mi1.00 mi13597+4394378+1834378+1837654(Top 30%)2026(Top 19%)2026(Top 116%)
35K21.75 mi0.75 mi13403+1944301+774301+779406(Top 37%)2928(Top 27%)2928(Top 167%)
23M23.00 mi1.25 mi12989+4144130+1714130+1717582(Top 30%)2192(Top 20%)2192(Top 125%)
24M24.00 mi1.00 mi12683+3064000+1304000+1306857(Top 27%)1945(Top 18%)1945(Top 111%)
40K24.85 mi0.85 mi12382+3013883+1173883+1176756(Top 26%)2012(Top 18%)2012(Top 115%)
25.2M25.20 mi0.35 mi12275+1073839+443839+447039(Top 28%)2219(Top 20%)2219(Top 127%)
Finish26.22 mi1.02 mi12042+2333749+903749+906602(Top 26%)1946(Top 18%)1946(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15569

Females

5298

F45-49

5298

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18754

Females

7164

F45-49

7164

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15569

Females

5298

F45-49

5298

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14314

Females

4616

F45-49

4616

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14217

Females

4577

F45-49

4577

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11859

Females

3439

F45-49

3439

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10547

Females

2963

F45-49

2963

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9210

Females

2570

F45-49

2570

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7654

Females

2026

F45-49

2026

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9406

Females

2928

F45-49

2928

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7582

Females

2192

F45-49

2192

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

6857

Females

1945

F45-49

1945

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6756

Females

2012

F45-49

2012

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7039

Females

2219

F45-49

2219

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6602

Females

1946

F45-49

1946

Passing Analysis

Category:
Athletes Passed
5986
Passed By
1000
Net Change
+4986
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17028
5K → 10K65948-883#17028#17911
10K → 15K86118+843#17911#17068
15K → 20K7969+787#17068#16281
20K → Half1403+137#16281#16144
Half → 25K7391+738#16144#15406
25K → 30K9372+935#15406#14471
30K → 20M4372+435#14471#14036
20M → 21M4423+439#14036#13597
21M → 35K1995+194#13597#13403
35K → 23M4184+414#13403#12989
23M → 24M3071+306#12989#12683
24M → 40K3032+301#12683#12382
40K → 25.2M1081+107#12382#12275
25.2M → Finish2341+233#12275#12042
TOTALS59861000+4986
📊

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