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BOSTON MARATHON 2023

Julia Noel

Bib: 17968•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
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
8:27/mi
26:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:41:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:46:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:05:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:31:17
↑ 181↓ 1480.2%
20M
8:22/mi
2:42:39
↑ 64↓ 500.2%
21M
8:41/mi
2:51:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:57:17
↑ 17↓ 861.7%
23M
8:14/mi
3:07:35
↑ 23↓ 630.6%
24M
8:03/mi
3:15:38
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:22:35
↓ 200.3%
25.2M
8:51/mi
3:25:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:33:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5926:148:2726:14
8:27
-
10K
6.21 mi11:48:2351:388:1925:24
8:11
-0:16
15K
9.32 mi12:13:091:16:248:1224:46
7:58
-0:13
20K
12.43 mi12:37:531:41:088:0824:44
7:58
0:00
Half
13.11 mi12:43:141:46:298:075:21
7:50
-0:08
25K
15.53 mi13:02:242:05:398:0519:10
7:54
+0:04
30K
18.64 mi13:28:022:31:178:0725:38
8:15
+0:21
20M
20.00 mi13:39:242:42:398:0811:22
8:22
+0:07
21M
21.00 mi13:48:052:51:208:108:41
8:41
+0:19
35K
21.75 mi13:54:022:57:178:095:57
7:57
-0:44
23M
23.00 mi14:04:203:07:358:0910:18
8:14
+0:17
24M
24.00 mi14:12:233:15:388:098:03
8:03
-0:11
40K
24.85 mi14:19:203:22:358:096:57
8:08
+0:05
25.2M
25.20 mi14:22:233:25:388:103:03
8:51
+0:43
Finish
26.22 mi14:30:293:33:448:098:06
7:57
-0:54

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

7:50 /mi

Average Pace

8:09 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:00

95% of race

Time at Steady Pace

11:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:22:5926:148:2726:14
8:27
#17169
10K
6.21 mi11:48:2351:388:1925:24
8:11
#16574
15K
9.32 mi12:13:091:16:248:1224:46
7:58
#15809
20K
12.43 mi12:37:531:41:088:0824:44
7:58
#15155
Half
13.11 mi12:43:141:46:298:075:21
7:50
#15030
25K
15.53 mi13:02:242:05:398:0519:10
7:54
#14571
30K
18.64 mi13:28:022:31:178:0725:38
8:15
#14216
20M
20.00 mi13:39:242:42:398:0811:22
8:22
#14099
21M
21.00 mi13:48:052:51:208:108:41
8:41
#13906
35K
21.75 mi13:54:022:57:178:095:57
7:57
#13822
23M
23.00 mi14:04:203:07:358:0910:18
8:14
#13636
24M
24.00 mi14:12:233:15:388:098:03
8:03
#13510
40K
24.85 mi14:19:203:22:358:096:57
8:08
#13377
25.2M
25.20 mi14:22:233:25:388:103:03
8:51
#13335
Finish
26.22 mi14:30:293:33:448:098:06
7:57
#13257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171696039603914164(Top 53%)4181(Top 37%)4181(Top 86%)
10K6.21 mi3.10 mi16574+5955621+4185621+41816073(Top 60%)5315(Top 47%)5315(Top 109%)
15K9.32 mi3.11 mi15809+7655159+4625159+46214164(Top 53%)4181(Top 37%)4181(Top 86%)
20K12.43 mi3.11 mi15155+6544779+3804779+38013120(Top 49%)3613(Top 32%)3613(Top 74%)
Half13.11 mi0.68 mi15030+1254704+754704+7513176(Top 49%)3610(Top 32%)3610(Top 74%)
25K15.53 mi2.42 mi14571+4594450+2544450+25411982(Top 45%)3069(Top 27%)3069(Top 63%)
30K18.64 mi3.11 mi14216+3554271+1794271+17912700(Top 48%)3587(Top 31%)3587(Top 73%)
20M20.00 mi1.36 mi14099+1174229+424229+4212806(Top 48%)3747(Top 33%)3747(Top 77%)
21M21.00 mi1.00 mi13906+1934120+1094120+10911593(Top 44%)3198(Top 28%)3198(Top 65%)
35K21.75 mi0.75 mi13822+844085+354085+3511837(Top 44%)3344(Top 29%)3344(Top 68%)
23M23.00 mi1.25 mi13636+1863996+893996+8911407(Top 43%)3222(Top 28%)3222(Top 66%)
24M24.00 mi1.00 mi13510+1263945+513945+5111618(Top 44%)3396(Top 30%)3396(Top 70%)
40K24.85 mi0.85 mi13377+1333890+553890+5510937(Top 41%)3123(Top 27%)3123(Top 64%)
25.2M25.20 mi0.35 mi13335+423875+153875+1511666(Top 44%)3562(Top 31%)3562(Top 73%)
Finish26.22 mi1.02 mi13257+783853+223853+2211768(Top 44%)3588(Top 31%)3588(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14164

Females

4181

F18-39

4181

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16073

Females

5315

F18-39

5315

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14164

Females

4181

F18-39

4181

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13120

Females

3613

F18-39

3613

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13176

Females

3610

F18-39

3610

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11982

Females

3069

F18-39

3069

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12700

Females

3587

F18-39

3587

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12806

Females

3747

F18-39

3747

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11593

Females

3198

F18-39

3198

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11837

Females

3344

F18-39

3344

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11407

Females

3222

F18-39

3222

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11618

Females

3396

F18-39

3396

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10937

Females

3123

F18-39

3123

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11666

Females

3562

F18-39

3562

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11768

Females

3588

F18-39

3588

Passing Analysis

Category:
Athletes Passed
4236
Passed By
324
Net Change
+3912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17169
5K → 10K707112+595#17169#16574
10K → 15K78419+765#16574#15809
15K → 20K66410+654#15809#15155
20K → Half1305+125#15155#15030
Half → 25K4645+459#15030#14571
25K → 30K38934+355#14571#14216
30K → 20M14427+117#14216#14099
20M → 21M20916+193#14099#13906
21M → 35K10117+84#13906#13822
35K → 23M19610+186#13822#13636
23M → 24M14216+126#13636#13510
24M → 40K1429+133#13510#13377
40K → 25.2M5412+42#13377#13335
25.2M → Finish11032+78#13335#13257
TOTALS4236324+3912
📊

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