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BOSTON MARATHON 2023

Linda Bumbalo

Bib: 19843•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:35/mi
26:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
52:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:17:41
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:43:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:48:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:08:50
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:35:15
↑ 181↓ 1480.2%
20M
8:35/mi
2:46:55
↑ 64↓ 500.2%
21M
9:04/mi
2:55:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:02:13
↑ 17↓ 861.7%
23M
8:38/mi
3:13:02
↑ 23↓ 630.6%
24M
8:23/mi
3:21:25
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:28:37
↓ 200.3%
25.2M
9:02/mi
3:31:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:39:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:50:50
Pace8:27 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2526:398:3526:39
8:35
-
10K
6.21 mi11:45:5652:108:2425:31
8:13
-0:22
15K
9.32 mi12:11:271:17:418:2025:31
8:13
0:00
20K
12.43 mi12:37:151:43:298:2025:48
8:18
+0:05
Half
13.11 mi12:42:421:48:568:195:27
7:59
-0:19
25K
15.53 mi13:02:362:08:508:1819:54
8:12
+0:13
30K
18.64 mi13:29:012:35:158:2026:25
8:30
+0:18
20M
20.00 mi13:40:412:46:558:2111:40
8:35
+0:05
21M
21.00 mi13:49:452:55:598:239:04
9:04
+0:29
35K
21.75 mi13:55:593:02:138:236:14
8:20
-0:44
23M
23.00 mi14:06:483:13:028:2410:49
8:38
+0:18
24M
24.00 mi14:15:113:21:258:248:23
8:23
-0:15
40K
24.85 mi14:22:233:28:378:247:12
8:25
+0:02
25.2M
25.20 mi14:25:303:31:448:243:07
9:02
+0:37
Finish
26.22 mi14:33:323:39:468:238:02
7:53
-1:09

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

7:53 /mi

Average Pace

8:23 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:35

94% of race

Time at Steady Pace

12:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:20:2526:398:3526:39
8:35
#18090
10K
6.21 mi11:45:5652:108:2425:31
8:13
#17181
15K
9.32 mi12:11:271:17:418:2025:31
8:13
#16754
20K
12.43 mi12:37:151:43:298:2025:48
8:18
#16477
Half
13.11 mi12:42:421:48:568:195:27
7:59
#16366
25K
15.53 mi13:02:362:08:508:1819:54
8:12
#15991
30K
18.64 mi13:29:012:35:158:2026:25
8:30
#15668
20M
20.00 mi13:40:412:46:558:2111:40
8:35
#15530
21M
21.00 mi13:49:452:55:598:239:04
9:04
#15393
35K
21.75 mi13:55:593:02:138:236:14
8:20
#15330
23M
23.00 mi14:06:483:13:028:2410:49
8:38
#15242
24M
24.00 mi14:15:113:21:258:248:23
8:23
#15149
40K
24.85 mi14:22:233:28:378:247:12
8:25
#15069
25.2M
25.20 mi14:25:303:31:448:243:07
9:02
#15021
Finish
26.22 mi14:33:323:39:468:238:02
7:53
#14886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180906610661015961(Top 60%)5274(Top 46%)5274(Top 290%)
10K6.21 mi3.10 mi17181+9096039+5716039+57116356(Top 61%)5484(Top 48%)5484(Top 302%)
15K9.32 mi3.11 mi16754+4275767+2725767+27215961(Top 60%)5274(Top 46%)5274(Top 290%)
20K12.43 mi3.11 mi16477+2775593+1745593+17415634(Top 59%)5114(Top 45%)5114(Top 281%)
Half13.11 mi0.68 mi16366+1115534+595534+5914368(Top 54%)4312(Top 38%)4312(Top 237%)
25K15.53 mi2.42 mi15991+3755334+2005334+20014303(Top 54%)4395(Top 38%)4395(Top 242%)
30K18.64 mi3.11 mi15668+3235167+1675167+16714342(Top 54%)4532(Top 40%)4532(Top 249%)
20M20.00 mi1.36 mi15530+1385106+615106+6114196(Top 53%)4538(Top 40%)4538(Top 250%)
21M21.00 mi1.00 mi15393+1375052+545052+5413817(Top 52%)4395(Top 38%)4395(Top 242%)
35K21.75 mi0.75 mi15330+635024+285024+2814324(Top 54%)4741(Top 42%)4741(Top 261%)
23M23.00 mi1.25 mi15242+884989+354989+3514044(Top 53%)4645(Top 41%)4645(Top 256%)
24M24.00 mi1.00 mi15149+934946+434946+4313795(Top 52%)4553(Top 40%)4553(Top 251%)
40K24.85 mi0.85 mi15069+804917+294917+2912883(Top 48%)4156(Top 36%)4156(Top 229%)
25.2M25.20 mi0.35 mi15021+484901+164901+1612821(Top 48%)4154(Top 36%)4154(Top 229%)
Finish26.22 mi1.02 mi14886+1354841+604841+6011337(Top 43%)3375(Top 30%)3375(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15961

Females

5274

F45-49

5274

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16356

Females

5484

F45-49

5484

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15961

Females

5274

F45-49

5274

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15634

Females

5114

F45-49

5114

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14368

Females

4312

F45-49

4312

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14303

Females

4395

F45-49

4395

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14342

Females

4532

F45-49

4532

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14196

Females

4538

F45-49

4538

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13817

Females

4395

F45-49

4395

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14324

Females

4741

F45-49

4741

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14044

Females

4645

F45-49

4645

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13795

Females

4553

F45-49

4553

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12883

Females

4156

F45-49

4156

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12821

Females

4154

F45-49

4154

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11337

Females

3375

F45-49

3375

Passing Analysis

Category:
Athletes Passed
3631
Passed By
427
Net Change
+3204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18090
5K → 10K99283+909#18090#17181
10K → 15K49063+427#17181#16754
15K → 20K32649+277#16754#16477
20K → Half1143+111#16477#16366
Half → 25K38510+375#16366#15991
25K → 30K36643+323#15991#15668
30K → 20M15820+138#15668#15530
20M → 21M16225+137#15530#15393
21M → 35K8017+63#15393#15330
35K → 23M13648+88#15330#15242
23M → 24M11522+93#15242#15149
24M → 40K10222+80#15149#15069
40K → 25.2M6012+48#15069#15021
25.2M → Finish14510+135#15021#14886
TOTALS3631427+3204
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing